Peanut Butter Banana Baked Oatmeal
Sweet Comfort in a Bowl
Ever walked into a cozy kitchen and been greeted by the irresistible scent of warm bananas and nutty peanut butter? That’s exactly the vibe you’ll get with this Peanut Butter Banana Baked Oatmeal. Perfect for breakfast or a snack, it’s a one-pan wonder that’s quick to whip up and even quicker to disappear. Just picture that golden, fluffy goodness straight out of the oven — it’s a total game-changer!
Why Make This Recipe
There’s a lot to love about this baked oatmeal! First off, it’s super easy to clean up since everything happens in one bowl (hello, less dishwashing!). Plus, it’s quite affordable and uses ingredients you probably already have on hand. And let’s not forget: it’s a big hit with the family! Kids love it, and let’s be real, anything that gets them to eat their oats is a win in my book. 😄
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 of unsweetened almond milk or oat milk
- 1 large egg (or 1 tbsp ground flaxseed with 3 tbsp of 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
Get ready for a simple baking experience! Just follow these numbered steps:
- Preheat your oven to 350°F (175°C) and lightly grease a 9-inch square dish.
- In a large bowl, combine the mashed banana, peanut butter, maple syrup, milk, egg (or flaxseed mixture), and vanilla extract. Use a whisk to mix until combined.
- Stir in the rolled oats, cinnamon, baking powder, salt, and optional ground flaxseed. If the batter is too stiff, add a splash of 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 to cool for 5 minutes before serving. For a little extra delight, drizzle with peanut butter and garnish with banana slices if desired.
How to Make Peanut Butter Banana Baked Oatmeal (Overview)
It’s a breeze! Start by preheating your oven and greasing your pan. Mix the wet ingredients in one bowl like a pro chef. Next, stir in the oats and spices until everything looks yummy. Pour it into the pan, pop it in the oven, and wait — the aroma will drive you wild! Just don’t forget to let it cool a bit; burnt tongues aren’t the vibe. Pro tip: make sure not to skip out on the peanut butter drizzle; it takes this oatmeal to heavenly levels!

How to Serve Peanut Butter Banana Baked Oatmeal
Picture this: a warm, golden-brown slice of baked oatmeal on your plate, topped with slices of fresh banana and a drizzle of creamy peanut butter. The colors are vibrant, and the aroma? Absolutely dreamy! Pair it with a dollop of yogurt or a splash of almond milk for an extra creaminess that not only looks great but tastes even better. Trust me, your breakfast will never be the same! 🍌🥜
How to Store Peanut Butter Banana Baked Oatmeal
If you manage to have any leftovers (which I seriously doubt), store them in the fridge for up to 5 days or freeze individual portions for up to 3 months. Just pop a slice in the microwave for a few seconds to reheat, and you’ve got yourself a warm breakfast in a jiffy. Make-ahead meal prep? Yes, please!
Tips to Make Peanut Butter Banana Baked Oatmeal
- Use overripe bananas for maximum sweetness and flavor.
- If you want it to be gluten-free, double-check your oats are certified gluten-free.
- Feel free to switch up the nut butter — almond butter works deliciously too!
- Add in some nuts or chocolate chips for an extra crunch and flavor explosion.
- If you’d like more texture, toss in some seeds or dried fruit.
Variation
Feeling adventurous? Try adding a handful of dark chocolate chips for a decadent twist or swap the peanut butter for sunflower seed butter for a nut-free option. Embrace versatility — the options are endless!
FAQs
Can I make this oatmeal vegan?
Absolutely! Just use ground flaxseed mixed with warm water instead of an egg.
How do I make it sweeter?
Adjust the sweetness by adding an extra tablespoon of maple syrup or honey. Sweet tooth approved! 😋
Can I freeze the baked oatmeal?
Yes, you can freeze individual portions! Just wrap them well and they’ll keep for up to three months.
📌 Pin this recipe for your next cozy dinner night!

Peanut Butter Banana Baked Oatmeal
Ingredients
Method
- Preheat your oven to 350°F (175°C) and lightly grease a 9-inch square dish.
- In a large bowl, combine the mashed banana, peanut butter, maple syrup, milk, egg (or flaxseed mixture), and vanilla extract. Use a whisk to mix until combined.
- Stir in the rolled oats, cinnamon, baking powder, salt, and optional ground flaxseed. If the batter is too stiff, add a splash of 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 to cool for 5 minutes before serving. For a little extra delight, drizzle with peanut butter and garnish with banana slices if desired.






