There's something magical about waking up to the smell of cinnamon-spiced apples and toasty oats baking in the oven. My oatmeal apple breakfast bake has become our family's go-to morning comfort food - it's wholesome enough to feel good about serving, yet delicious enough that everyone scrapes their bowls clean. The best part? You probably have most of the ingredients in your pantry right now!
This cozy bake combines chewy oats, sweet apples, and warm spices into one simple dish that practically makes itself. It's perfect for busy mornings (just pop it in the oven while you get ready), lazy weekends (hello, pajama brunch!), or meal prep (hello, weekday breakfasts solved!). The recipe is endlessly adaptable too - swap fruits, change up the nuts, or adjust the sweetness to your taste. One bite of this warmly spiced bake, and you'll understand why it's become my most-requested breakfast recipe!
Why You’ll Love This Oatmeal Apple Breakfast Bake
This recipe has stolen my heart (and my family's breakfast rotation) for so many reasons - here's why it'll become your new favorite too:
- Five-minute prep - Seriously, just mix everything in one bowl! No fancy techniques or kitchen gadgets needed
- Pantry-friendly ingredients - Oats, apples, eggs and milk form the base, with room to improvise based on what you've got
- Endlessly adaptable - Vegan? Use flax eggs. Nut-free? Skip 'em. Berry lover? Toss some in! This bake welcomes all your creative twists
- Meal prep magic - Makes mornings effortless since it reheats beautifully all week long (if it lasts that long!)
Ingredients for Oatmeal Apple Breakfast Bake
Here's everything you'll need to make this cozy breakfast bake - I've grouped them so you can toss everything together easily:
- Dry Ingredients:
- 2 cups old-fashioned oats (not quick oats!)
- 1 teaspoon cinnamon
- ½ teaspoon baking powder
- ¼ teaspoon salt
- Wet Ingredients:
- 1 ½ cups milk (whatever kind you prefer)
- 2 eggs
- ¼ cup maple syrup or honey
- 1 teaspoon vanilla extract
- Mix-ins:
- 1 large apple, diced (no need to peel!)
- ¼ cup chopped walnuts or pecans (optional but delicious)
Ingredient Notes & Substitutions
My favorite part of this recipe is how flexible it is! Here's how to adapt it:
- Milk: Almond, oat, soy - any milk works! Use what you drink.
- Egg-free: Swap eggs for 2 flax eggs (2 tablespoon ground flax + 5 tablespoon water).
- Sweetener: Brown sugar works if you're out of maple syrup.
- Apples: Any variety works, but Honeycrisp or Fuji add nice sweetness.
- Nut-free: Skip nuts or try toasted coconut instead.

How to Make Oatmeal Apple Breakfast Bake
Trust me, this couldn't be simpler - you'll have this in the oven before your coffee finishes brewing! Here's exactly how I make it every Sunday morning:
- Prep your pan - Grease an 8x8 inch baking dish (I use butter, but cooking spray works too). Preheat oven to 350°F (175°C). That oven needs to be hot and ready!
- Mix dry ingredients - In a big bowl, whisk together oats, cinnamon, baking powder and salt. I like to use a fork - no fancy gadgets needed!
- Combine wet ingredients - In another bowl (or just reuse your measuring cup!), whisk milk, eggs, maple syrup and vanilla until smooth.
- Bring it all together - Pour the wet mixture into the dry ingredients and stir gently. Fold in diced apples and nuts (if using). Don't overmix - a few lumps are fine!
- Bake to perfection - Transfer to your prepared dish and bake 35-40 minutes until golden brown on top and set in the center. Your kitchen will smell amazing!
- Rest & serve - Let it cool for 5 minutes (so it sets properly) before digging in.
Tips for Perfect Oatmeal Apple Breakfast Bake
After making this dozens of times, here are my foolproof tricks:
- Test doneness like grandma would - the edges should pull away slightly, and a toothpick inserted in the center should come out clean (not wet!).
- Let it rest before cutting - those 5 minutes make all the difference for perfect slices!
- Adjust sweetness to your taste - start with ¼ cup maple syrup, then add more next time if you prefer it sweeter.
- Double it for crowds - this recipe scales beautifully in a 9x13 pan (just add 5-10 minutes to baking time).

Serving Suggestions for Oatmeal Apple Breakfast Bake
This cozy bake shines all on its own, but oh, the ways you can dress it up! For weekday breakfasts, I love a scoop of Greek yogurt and extra apple slices on top - the creaminess balances the oats perfectly. Weekend brunch? Drizzle with warm honey and sprinkle with toasted pecans for something special.
It's equally amazing straight from the pan (no shame in my game!), packed for work lunches, or even as a healthy dessert with a dollop of whipped cream. However you serve it, just make sure to enjoy it warm - that's when the cinnamon and apples really sing!
Storage & Reheating Instructions
This bake keeps like a dream! Store any leftovers (if you're lucky enough to have some) in an airtight container in the fridge for up to 3 days. When you're ready for round two, just pop a slice in the microwave for 30-60 seconds until warm, or reheat in a 350°F oven for 10 minutes if you want that fresh-from-the-oven crispness on top.
Want to freeze it? You absolutely can! Wrap individual portions tightly - they'll keep for 2 months. Thaw overnight in the fridge before reheating. The texture changes slightly (gets a bit more dense), but the flavor stays just as cozy and delicious!
Nutritional Information
Just a heads up - nutrition varies based on the specific ingredients you use! But here's the general picture per serving (based on my standard recipe with whole milk and walnuts):
- Calories: 220
- Protein: 7g
- Carbs: 35g (with 4g fiber)
- Sugar: 12g (mostly from the apples and maple syrup)
- Fat: 6g
Not bad for a breakfast that keeps you full till lunch, right?
Frequently Asked Questions
I get asked about this oatmeal apple breakfast bake all the time - here are the answers to the questions that pop up most often:
Can I use steel-cut oats instead?
I don't recommend it - steel-cut oats stay too chewy in this bake. Stick with old-fashioned rolled oats for the perfect texture!
How do I make this vegan?
Easy! Just swap the eggs for flax eggs (2 tablespoon ground flax + 5 tablespoon water) and use your favorite plant-based milk. The texture comes out nearly identical!
Can I prep this the night before?
Absolutely! Mix everything (except baking powder) and refrigerate overnight. Add baking powder in the morning, then bake as usual. Perfect for sleepyheads!
What apples work best?
I love Honeycrisp or Fuji for sweetness, but any apple works! Tart Granny Smiths add nice contrast if you prefer less sweetness.
Why is mine too dry?
You might have baked it too long - start checking at 35 minutes! Also, be sure to measure oats correctly (lightly spooned into the cup, not packed).
Alright, friend - it's your turn to make some breakfast magic! This oatmeal apple bake has become such a staple in our home that I practically make it with my eyes closed now (not recommended if you're handling knives, though!). The beauty of this recipe is how forgiving it is - even if you forget an ingredient or swap something out, it still turns out delicious. I'd love to hear how your version comes out! Did you add a secret ingredient? Find the perfect apple variety? Maybe discover an even better way to serve it? Drop your thoughts (and any brilliant tweaks!) in the comments below. Happy baking - may your mornings be cozy and your bowls be full!
Print
Oatmeal Apple Breakfast Bake - Pure Comfort
- Total Time: 50 minutes
- Yield: 6 servings 1x
- Diet: Vegetarian
Description
A warm and hearty oatmeal apple breakfast bake perfect for a healthy start to your day.
Ingredients
- 2 cups old-fashioned oats
- 1 ½ cups milk (or almond milk for dairy-free)
- 1 large apple, diced
- 2 eggs
- ¼ cup maple syrup or honey
- 1 tsp vanilla extract
- 1 tsp cinnamon
- ½ tsp baking powder
- ¼ tsp salt
- ¼ cup chopped walnuts or pecans (optional)
Instructions
- Preheat your oven to 350°F (175°C).
- Grease a baking dish lightly.
- In a bowl, mix oats, milk, eggs, maple syrup, vanilla, cinnamon, baking powder, and salt.
- Fold in the diced apple and nuts if using.
- Pour the mixture into the baking dish.
- Bake for 35-40 minutes or until set and golden on top.
- Let it cool slightly before serving.
Notes
- Use any type of milk you prefer.
- Swap apples with pears or berries if desired.
- Store leftovers in the fridge for up to 3 days.
- Prep Time: 10 minutes
- Cook Time: 40 minutes
- Category: Breakfast
- Method: Baked
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 220
- Sugar: 12g
- Sodium: 150mg
- Fat: 6g
- Saturated Fat: 1.5g
- Unsaturated Fat: 3.5g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 4g
- Protein: 7g
- Cholesterol: 65mg
Keywords: oatmeal apple bake, healthy breakfast, baked oatmeal
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