Peanut Butter Banana Baked Oatmeal
Oh, the Joy of Peanut Butter and Banana!
Imagine waking up to the enticing aroma of baked oatmeal wafting through your kitchen, mingled with creamy peanut butter and ripe bananas. Sounds heavenly, doesn’t it? This Peanut Butter Banana Baked Oatmeal takes your breakfast game to a whole new level. Forget about those instant packets; this one’s homemade, hearty, and utterly satisfying. Plus, it’s quick and made in just one dish, which means less cleanup. Who doesn’t love that?
Why Make This Recipe
You’ll fall head over heels for this dish for a few simple reasons:
- Easy Cleanup: One pan, one bowl, and you’re in breakfast heaven. Less dishwashing means more time for your coffee.
- Family-Friendly: Everyone in the house will gobble it up! Even your picky eaters will ask for seconds. You might even find yourself using "the special oatmeal" as a bargaining chip.
- Nutritious & Delicious: Combining ingredients like peanut butter and bananas gives you a wholesome breakfast that’s both filling and energizing.
Ingredients
You don’t need fancy stuff — just these basics!
- 1 large spotty banana (mashed)
- ½ cup creamy all-natural peanut butter
- 3 tbsp real maple syrup (or honey)
- 1 ¾ cups unsweetened almond milk or oat milk
- 1 large egg (or 1 tbsp ground flaxseed mixed with 3 tbsp warm water for a vegan option)
- 2 tsp vanilla extract
- 2 cups old-fashioned rolled oats
- 1 tsp ground cinnamon
- 1 tsp baking powder
- ½ tsp salt
Directions
- Preheat your oven to 350°F (175°C). Lightly grease a 9-inch square dish with cooking spray or avocado oil.
- In a large bowl, combine the mashed banana, peanut butter, maple syrup, almond milk, egg (or flaxseed mixture), and vanilla extract. Whisk until fully combined.
- Stir in the rolled oats, cinnamon, baking powder, and salt. If you’re skipping the egg, mix in the ground flaxseed. If the batter feels too stiff, add a bit more milk!
- Pour the mixture into the greased baking dish, spreading it evenly.
- Bake for 35 to 45 minutes, until the top is golden brown and the center is set.
- Allow the baked oatmeal to cool for 5 minutes before serving. Optionally, drizzle with more peanut butter and garnish with banana slices. Enjoy!

How to Make Peanut Butter Banana Baked Oatmeal (Overview)
Making this delectable dish is easier than pie! Just mix everything in a bowl, pour it into a greased dish, and wait for the magic to happen in the oven. Pro tip: Don’t rush the cooling time; letting it sit for just five minutes before serving makes it slice beautifully. Can you smell it yet?
How to Serve Peanut Butter Banana Baked Oatmeal
The best part? You can enjoy this baked oatmeal in so many ways! Serve it warm, drizzled with extra peanut butter or a dollop of Greek yogurt. Top it with sliced bananas, a sprinkle of cinnamon, or even some chopped nuts for that delightful crunch. Pair it with a hot cup of coffee or tea, and you’ve got a cozy morning vibe!
How to Store Peanut Butter Banana Baked Oatmeal
Got leftovers? Lucky you! This baked oatmeal stays fresh in the fridge for about 5 days. Just pop it in an airtight container. You can even freeze it for up to 3 months—perfect for those busy mornings. To reheat, simply microwave it for about a minute, or pop it in the oven until hot and ready.
Tips to Make Peanut Butter Banana Baked Oatmeal
- Fresh Bananas: Use spotty bananas; they bring out the natural sweetness. Why use sugar when nature’s already done the sweetening for you?
- Oats Choice: Make sure to use old-fashioned rolled oats—they give the best texture.
- Add-ins: Consider jazzing it up with chocolate chips or dried fruits if you’re feeling adventurous!
- Vegan Option: The flaxseed substitute works beautifully, so don’t hesitate to go plant-based.
Variation
Feeling creative? Switch it up! Add some cocoa powder to make a chocolatey version or throw in some berries for a fruity twist. Want to make it gluten-free? Just swap in gluten-free oats. The sky’s the limit with this delicious base!
FAQs
Can I make this ahead of time?
Absolutely! Mixed ingredients can sit in the fridge overnight, and then you can bake it fresh in the morning.
What can I substitute for peanut butter?
Try almond butter or sunflower seed butter if you want a nut-free option.
Can I freeze the leftovers?
Yes! After baking, let it cool completely, cut into portions, and freeze. Just warm it up when you’re ready to enjoy!
📌 Pin this recipe for your next cozy dinner night!

Peanut Butter Banana Baked Oatmeal
Ingredients
Method
- Preheat your oven to 350°F (175°C). Lightly grease a 9-inch square dish with cooking spray or avocado oil.
- In a large bowl, combine the mashed banana, peanut butter, maple syrup, almond milk, egg (or flaxseed mixture), and vanilla extract. Whisk until fully combined.
- Stir in the rolled oats, cinnamon, baking powder, and salt. If you’re skipping the egg, mix in the ground flaxseed. If the batter feels too stiff, add a bit more milk.
- Pour the mixture into the greased baking dish, spreading it evenly.
- Bake for 35 to 45 minutes, until the top is golden brown and the center is set.
- Allow the baked oatmeal to cool for 5 minutes before serving. Optionally, drizzle with more peanut butter and garnish with banana slices.





