Apple baked oatmeal with a yogurt drizzle in a 9 by 9 inch baking dish

15 Apple Baked Oatmeal Recipes to Bake Ahead

Baked oatmeal is the quiet hero of make-ahead breakfasts. You stir everything in one bowl, slide the dish into the…

Baked oatmeal is the quiet hero of make-ahead breakfasts. You stir everything in one bowl, slide the dish into the oven, and wake up to a pan of warm, sliceable comfort that reheats beautifully all week. These 15 apple baked oatmeal recipes start from that same reliable base and each takes it somewhere new: a yogurt drizzle for tang, an almond crumble for crunch, cacao nibs for a hint of chocolate. Every recipe below uses the same dependable base, a 9 by 9 inch pan at 350°F, and includes exact ingredients and steps, plus how it slices, stores, and reheats.

Jump to a recipe

  1. Apple Baked Oatmeal with Yogurt Drizzle
  2. Apple Baked Oatmeal with Almond Crumble
  3. Apple Baked Oatmeal with Dates
  4. Apple Baked Oatmeal with Coconut Flakes
  5. Apple Baked Oatmeal with Chia Seeds
  6. Apple Baked Oatmeal with Cashew Butter
  7. Apple Baked Oatmeal with Maple Walnuts
  8. Apple Baked Oatmeal with Cacao Nibs
  9. Apple Baked Oatmeal with Dried Cherries
  10. Apple Baked Oatmeal with Lemon Zest
  11. Apple Baked Oatmeal with Cinnamon Streusel
  12. Apple Baked Oatmeal with Pumpkin Seeds
  13. Apple Baked Oatmeal with a Cream-Cheese Swirl
  14. Apple Baked Oatmeal with Pistachio Crumbs
  15. Apple Baked Oatmeal with Oat-Milk Custard
Apple baked oatmeal with a yogurt drizzle in a 9 by 9 inch baking dish
Apple baked oatmeal with a yogurt drizzle in a 9 by 9 inch baking dish

1. Apple Baked Oatmeal with Yogurt Drizzle

Apple baked oatmeal with yogurt drizzle
Apple baked oatmeal with yogurt drizzle

This is the one to start with. The base is soft and custardy with softened apple in every bite, and the cool yogurt drizzle on top makes it taste finished, like something from a brunch cafe. Plain Greek yogurt with a touch of maple is all it takes.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups; Honeycrisp or Gala work well)
  • 2 large eggs
  • 2 cups whole or 2% milk
  • 1/4 cup pure maple syrup
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 1/2 teaspoons ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract
  • 3/4 cup plain Greek yogurt, for serving
  • 1 tablespoon maple syrup, for the drizzle

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch ceramic baking dish.
  2. Whisk the eggs, milk, maple syrup, melted butter, and vanilla in a large bowl.
  3. Stir in the oats, baking powder, cinnamon, and salt until evenly coated.
  4. Fold in the diced apples. Spread into the dish and smooth the top.
  5. Bake 35 to 40 minutes, until the center is set and the edges pull slightly from the dish. Rest 10 minutes before slicing into 6 squares.
  6. Whisk the yogurt with the extra maple syrup and drizzle over each serving.

Egg-free option: swap the 2 eggs for 2 flax eggs (2 tablespoons ground flaxseed whisked with 5 tablespoons water, rested 5 minutes). The texture is a little softer but still slices.

Slice, reheat, and store: clean, neat squares after a 10 minute rest. Reheating: microwave one square 60 to 90 seconds until steaming; add the yogurt only after reheating. Storage: refrigerate cooled squares in an airtight container up to 4 days.

2. Apple Baked Oatmeal with Almond Crumble

Apple baked oatmeal with almond crumble
Apple baked oatmeal with almond crumble

If you like texture on top of your breakfast, this is your recipe. A buttery almond crumble bakes into a golden, crunchy lid over the soft apple-oat base. It tastes almost like an apple crisp you are allowed to eat before work, and it keeps its crunch even after a night in the fridge.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 2 large eggs
  • 2 cups milk
  • 1/4 cup brown sugar, packed
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract
  • 1/2 cup sliced almonds
  • 1/4 cup all-purpose flour
  • 2 tablespoons cold butter, cut into small cubes

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Make the crumble first: rub the flour, sliced almonds, and cold butter together with your fingertips until pebbly. Refrigerate while you mix the base.
  3. Whisk the eggs, milk, brown sugar, melted butter, and vanilla in a large bowl. Stir in the oats, baking powder, cinnamon, and salt, then fold in the apples.
  4. Spread into the dish. Scatter the crumble evenly over the top.
  5. Bake 38 to 42 minutes, until the crumble is golden and the center is set. Rest 10 minutes before slicing into 6 squares.

Egg-free option: 2 flax eggs (2 tablespoons ground flaxseed plus 5 tablespoons water, rested 5 minutes).

Slice, reheat, and store: slices well; the crumble stays put once cooled. Reheating: oven at 325°F for 10 to 12 minutes revives the crunch best; microwave works in 90 seconds if you are in a hurry. Storage: refrigerate up to 4 days.

3. Apple Baked Oatmeal with Dates

Apple baked oatmeal with dates
Apple baked oatmeal with dates

Chopped dates melt into the oats as they bake, leaving little pockets of caramel sweetness through every slice. This version needs less added sugar because the dates do the work. It is rich and dark and wonderful with a splash of cold milk poured over the warm square.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 12 Medjool dates, pitted and chopped (about 1 cup)
  • 2 large eggs
  • 2 cups milk
  • 2 tablespoons maple syrup
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, milk, maple syrup, melted butter, and vanilla in a large bowl.
  3. Stir in the oats, baking powder, cinnamon, and salt. Fold in the apples and chopped dates, distributing the dates evenly so none clump.
  4. Spread into the dish and bake 35 to 40 minutes, until set in the center with lightly browned edges. Rest 10 minutes, then slice into 6 squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: the dates make this one extra moist, so give it the full 10 minute rest for the neatest squares. Reheating: 90 seconds in the microwave until steaming. Storage: refrigerate up to 4 days; flavors deepen by day two.

4. Apple Baked Oatmeal with Coconut Flakes

Apple baked oatmeal with coconut flakes
Apple baked oatmeal with coconut flakes

Toasted coconut on top turns the whole pan tropical. The flakes go golden and crisp in the oven while the apples underneath turn soft and sweet. If plain oatmeal ever bores you, the contrast here will fix that: chewy oats, tender apple, crunchy coconut in every spoonful.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 2 large eggs
  • 2 cups coconut milk (canned light, well shaken) or regular milk
  • 1/4 cup maple syrup
  • 2 tablespoons melted coconut oil
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract
  • 1/2 cup unsweetened coconut flakes

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, coconut milk, maple syrup, melted coconut oil, and vanilla in a large bowl. Stir in the oats, baking powder, cinnamon, and salt, then fold in the apples.
  3. Spread into the dish. Sprinkle the coconut flakes evenly over the top.
  4. Bake 35 to 40 minutes, until the coconut is golden (check at 30 minutes; tent loosely with foil if it browns too fast). Rest 10 minutes, then slice into 6 squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: clean squares. Reheating: the coconut stays crispest with a quick toast in a 325°F oven for 10 minutes. Storage: refrigerate up to 4 days.

5. Apple Baked Oatmeal with Chia Seeds

Apple baked oatmeal with chia seeds
Apple baked oatmeal with chia seeds

Chia seeds do quiet work here. They absorb liquid as the pan bakes and cool, giving the oatmeal a slightly pudding-like body that holds its shape beautifully. You will not taste them, but you will notice how well each square survives being packed for lunch.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 3 tablespoons chia seeds
  • 2 large eggs
  • 2 1/4 cups milk
  • 1/4 cup honey or maple syrup
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, milk, honey, melted butter, and vanilla in a large bowl.
  3. Stir in the oats, chia seeds, baking powder, cinnamon, and salt. Let the mixture sit 5 minutes so the chia begins to absorb the milk, then fold in the apples.
  4. Spread into the dish and bake 38 to 42 minutes, until set in the center. Rest 10 minutes, then slice into 6 firm squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: the firmest slicer in this whole roundup, thanks to the chia. Reheating: add a splash of milk before microwaving 90 seconds; the chia will soak it up. Storage: refrigerate up to 4 days.

6. Apple Baked Oatmeal with Cashew Butter

Apple baked oatmeal with cashew butter
Apple baked oatmeal with cashew butter

A few spoonfuls of cashew butter stirred into the base make this version taste creamy and rich, almost like the filling of an apple pie. Cashew butter is mild, so it supports the apple instead of competing with it. Warm one square and the whole kitchen smells like a bakery.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 1/3 cup creamy cashew butter
  • 2 large eggs
  • 2 cups milk
  • 3 tablespoons maple syrup
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Warm the cashew butter in the microwave 20 seconds so it pours easily. Whisk it with the eggs, milk, maple syrup, and vanilla until smooth.
  3. Stir in the oats, baking powder, cinnamon, and salt, then fold in the apples.
  4. Spread into the dish and bake 35 to 40 minutes, until set and lightly golden on top. Rest 10 minutes, then slice into 6 squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: rich and tender; use a sharp knife for the cleanest cuts. Reheating: 90 seconds in the microwave. A drizzle of extra cashew butter thinned with warm milk is a good topping. Storage: refrigerate up to 4 days.

7. Apple Baked Oatmeal with Maple Walnuts

Apple baked oatmeal with maple walnuts
Apple baked oatmeal with maple walnuts

Maple and walnut is a classic pairing for a reason, and it works beautifully in baked oatmeal. The walnuts toast as the pan bakes and turn almost buttery, while a spoonful of maple syrup in the base gives everything a gentle sweetness. This is the version to make when guests are coming for brunch.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 3/4 cup walnut halves, roughly chopped
  • 2 large eggs
  • 2 cups milk
  • 1/4 cup pure maple syrup, plus more for serving
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, milk, maple syrup, melted butter, and vanilla in a large bowl.
  3. Stir in the oats, baking powder, cinnamon, and salt. Fold in the apples and half of the chopped walnuts.
  4. Spread into the dish and sprinkle the remaining walnuts over the top.
  5. Bake 35 to 40 minutes, until the center is set and the walnuts are toasted. Rest 10 minutes, then slice into 6 squares. Serve with extra maple syrup.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: neat squares. Reheating: microwave 90 seconds until steaming; a fresh drizzle of maple wakes it up. Storage: refrigerate up to 4 days.

8. Apple Baked Oatmeal with Cacao Nibs

Apple baked oatmeal with cacao nibs
Apple baked oatmeal with cacao nibs

Cocoa nibs are not chocolate chips. They are crunchy, intensely cocoa, and barely sweet, which makes them a surprisingly good partner for sweet baked apple. The result tastes grown up, like a sophisticated cousin of chocolate oatmeal. A little extra maple on top balances the bitterness of the nibs.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 1/4 cup cacao nibs
  • 2 large eggs
  • 2 cups milk
  • 1/3 cup maple syrup
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, milk, maple syrup, melted butter, and vanilla in a large bowl.
  3. Stir in the oats, baking powder, cinnamon, and salt. Fold in the apples and cacao nibs.
  4. Spread into the dish and bake 35 to 40 minutes, until set in the center. Rest 10 minutes, then slice into 6 squares. Serve with a little extra maple syrup if you like.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: clean squares with visible nibs throughout. Reheating: 90 seconds in the microwave until steaming. Storage: refrigerate up to 4 days.

9. Apple Baked Oatmeal with Dried Cherries

Apple baked oatmeal with dried cherries
Apple baked oatmeal with dried cherries

Dried cherries bring a tart brightness that cuts through the richness of baked oats. They plump up in the oven and turn jammy in spots, which makes this version taste almost like a cherry-apple pie filling baked into breakfast. It is the prettiest pan in this roundup, too.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 3/4 cup dried tart cherries
  • 2 large eggs
  • 2 cups milk
  • 1/4 cup maple syrup
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, milk, maple syrup, melted butter, and vanilla in a large bowl.
  3. Stir in the oats, baking powder, cinnamon, and salt. Fold in the apples and dried cherries, pressing a few cherries onto the top for color.
  4. Spread into the dish and bake 35 to 40 minutes, until set in the center. Rest 10 minutes, then slice into 6 squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: the cherries make the top slightly uneven, but squares hold together well. Reheating: 90 seconds in the microwave. Storage: refrigerate up to 4 days.

10. Apple Baked Oatmeal with Lemon Zest

Apple baked oatmeal with lemon zest
Apple baked oatmeal with lemon zest

Lemon zest is the secret ingredient that makes apple flavors pop. You only need the zest of one lemon, but it lifts the whole pan: brighter, fresher, less heavy. This version tastes especially good cold the next day, which makes it a strong pick for packed breakfasts.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • Zest of 1 large lemon (about 1 tablespoon)
  • 2 large eggs
  • 2 cups milk
  • 1/4 cup honey or maple syrup
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, milk, honey, melted butter, vanilla, and lemon zest in a large bowl.
  3. Stir in the oats, baking powder, cinnamon, and salt, then fold in the apples.
  4. Spread into the dish and bake 35 to 40 minutes, until set in the center. Rest 10 minutes, then slice into 6 squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: clean, neat squares. Reheating: 90 seconds in the microwave, or enjoy cold straight from the fridge. Storage: refrigerate up to 4 days.

11. Apple Baked Oatmeal with Cinnamon Streusel

Apple baked oatmeal with cinnamon streusel
Apple baked oatmeal with cinnamon streusel

This is the coffee-cake version. A cinnamon streusel bakes into a sweet, crunchy ribbon across the top while the apple oatmeal underneath stays soft and custardy. It tastes like a treat but eats like breakfast. Make it on a Sunday and the whole house will smell incredible.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 2 large eggs
  • 2 cups milk
  • 1/4 cup brown sugar, packed
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract
  • 1/3 cup all-purpose flour
  • 1/4 cup brown sugar, packed
  • 1 teaspoon ground cinnamon
  • 3 tablespoons cold butter, cut into small cubes

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Make the streusel: combine the flour, 1/4 cup brown sugar, and 1 teaspoon cinnamon. Rub in the cold butter with your fingertips until crumbly. Refrigerate while you mix the base.
  3. Whisk the eggs, milk, 1/4 cup brown sugar, melted butter, and vanilla in a large bowl. Stir in the oats, baking powder, 1 teaspoon cinnamon, and salt, then fold in the apples.
  4. Spread into the dish. Crumble the streusel evenly over the top.
  5. Bake 38 to 42 minutes, until the streusel is golden and the center is set. Rest 10 minutes, then slice into 6 squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: the streusel cracks a little when sliced; that is normal and delicious. Reheating: a 325°F oven for 10 minutes keeps the streusel crisp. Storage: refrigerate up to 4 days.

12. Apple Baked Oatmeal with Pumpkin Seeds

Apple baked oatmeal with pumpkin seeds
Apple baked oatmeal with pumpkin seeds

Pumpkin seeds (pepitas) add a savory crunch and a deep green color that looks beautiful against the golden oats. They toast in the oven and stay crisp for days, so this is one of the best versions for meal prep. A little cinnamon and a touch of honey tie it all together.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 1/2 cup raw pumpkin seeds (pepitas)
  • 2 large eggs
  • 2 cups milk
  • 1/4 cup honey
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, milk, honey, melted butter, and vanilla in a large bowl.
  3. Stir in the oats, baking powder, cinnamon, and salt. Fold in the apples and half of the pumpkin seeds.
  4. Spread into the dish and scatter the remaining pumpkin seeds over the top.
  5. Bake 35 to 40 minutes, until set and the seeds are lightly toasted. Rest 10 minutes, then slice into 6 squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: firm, clean squares. Reheating: 90 seconds in the microwave; the seeds stay surprisingly crisp. Storage: refrigerate up to 4 days.

13. Apple Baked Oatmeal with a Cream-Cheese Swirl

Apple baked oatmeal with a cream-cheese swirl
Apple baked oatmeal with a cream-cheese swirl

Swirls of tangy cream cheese bake into this oatmeal like a cheesecake ribbon. Each slice has creamy pockets that contrast with the soft apple and chewy oats. It feels indulgent but the actual amount of cream cheese per serving is modest. This one disappears fastest at brunch.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 2 large eggs
  • 2 cups milk
  • 1/4 cup maple syrup
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract
  • 4 ounces cream cheese, softened
  • 2 tablespoons powdered sugar
  • 1/2 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Beat the softened cream cheese with the powdered sugar and 1/2 teaspoon vanilla until smooth.
  3. Whisk the eggs, milk, maple syrup, melted butter, and 1 teaspoon vanilla in a large bowl. Stir in the oats, baking powder, cinnamon, and salt, then fold in the apples.
  4. Spread half the oat mixture into the dish. Dollop the cream cheese mixture over it in spoonfuls, then cover with the remaining oat mixture. Drag a knife through once or twice to create swirls.
  5. Bake 38 to 42 minutes, until set in the center. Rest 15 minutes (the swirl needs a little longer to firm up), then slice into 6 squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: give it the full 15 minute rest for the prettiest swirls. Reheating: 90 seconds in the microwave until steaming. Storage: refrigerate up to 4 days; keep chilled because of the cream cheese.

14. Apple Baked Oatmeal with Pistachio Crumbs

Apple baked oatmeal with pistachio crumbs
Apple baked oatmeal with pistachio crumbs

Pistachios bring a rich, almost buttery flavor and a beautiful green fleck to this oatmeal. Crushed coarsely so some pieces stay chunky, they bake into a nutty crust on top. It looks fancy and tastes even better, but it comes together just as fast as the rest.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 1/2 cup shelled pistachios, roughly chopped
  • 2 large eggs
  • 2 cups milk
  • 1/4 cup honey
  • 2 tablespoons melted butter
  • 1 teaspoon baking powder
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, milk, honey, melted butter, and vanilla in a large bowl.
  3. Stir in the oats, baking powder, cinnamon, and salt. Fold in the apples and half of the chopped pistachios.
  4. Spread into the dish and scatter the remaining pistachios over the top.
  5. Bake 35 to 40 minutes, until set and the pistachios are lightly golden. Rest 10 minutes, then slice into 6 squares.

Egg-free option: 2 flax eggs.

Slice, reheat, and store: clean squares with a nutty top. Reheating: 90 seconds in the microwave. Storage: refrigerate up to 4 days.

15. Apple Baked Oatmeal with Oat-Milk Custard

Apple baked oatmeal with oat-milk custard
Apple baked oatmeal with oat-milk custard

This version leans fully into oat flavor: oat milk in the base plus an extra egg makes it bake up almost like a custard. It is naturally dairy free, silky in the middle, and deeply comforting. Serve it warm with a pour of cold oat milk over the top for the full effect.

What you need

  • 2 cups old-fashioned rolled oats
  • 2 medium apples, diced (about 2 cups)
  • 3 large eggs
  • 2 cups unsweetened oat milk, plus more for serving
  • 1/4 cup maple syrup
  • 2 tablespoons melted coconut oil
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 1 teaspoon vanilla extract

How to make it

  1. Heat the oven to 350°F. Grease a 9 by 9 inch baking dish.
  2. Whisk the eggs, oat milk, maple syrup, melted coconut oil, and vanilla in a large bowl.
  3. Stir in the oats, baking powder, cinnamon, and salt, then fold in the apples.
  4. Spread into the dish and bake 38 to 42 minutes, until the center is just set with a slight jiggle (it firms as it cools). Rest 10 minutes, then slice into 6 squares. Serve with cold oat milk poured over.

Egg-free option: 3 flax eggs (3 tablespoons ground flaxseed plus 7 tablespoons water, rested 5 minutes).

Slice, reheat, and store: the custardy center is soft; use a wide spatula to lift squares. Reheating: 90 seconds in the microwave with a splash of oat milk. Storage: refrigerate up to 4 days.

Frequently asked questions

How long does baked oatmeal last in the fridge?

Up to 4 days in an airtight container. Let the pan cool on the counter, then cover or portion into containers within 2 hours of baking.

Can I freeze baked oatmeal?

Yes. Wrap cooled squares individually and freeze up to 3 months. Thaw overnight in the fridge and reheat until steaming throughout.

What temperature should reheated oatmeal reach?

Heat until steaming hot all the way through. The USDA recommends 165°F for reheated leftovers; a food thermometer takes the guesswork out.

Why did my baked oatmeal fall apart when I sliced it?

It was probably cut too soon. Give the pan at least 10 minutes (15 for the cream-cheese swirl) so the oats set. A sharp knife and a confident single cut help too.

Can I use quick oats instead of old-fashioned rolled oats?

You can, but the texture turns softer and more porridge-like. Stick with old-fashioned rolled oats for the hearty, sliceable texture these recipes are built around. Steel-cut oats need more liquid and a longer bake, so they are not a direct swap.

Which apples are best for baked oatmeal?

Firm, sweet-tart apples that hold their shape: Honeycrisp, Gala, Fuji, or Braeburn. Softer apples like Red Delicious tend to go mushy.

A pan worth repeating

Fifteen recipes, one pan, and a whole week of breakfasts that actually make you look forward to mornings. Bake one this weekend, slice it, and keep the squares ready in the fridge. If you want another make-ahead treat, try the cottage cheese no-bake dessert, and if you like planning your kitchen for the week, our small pantry organization guide keeps everything in its place. Browse the full Food & Drink collection for everything else.

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