Peanut Butter Banana Baked Oatmeal is a delightful dish that marries the nostalgic flavors of childhood with the wholesome goodness of oatmeal. I stumbled upon this recipe during a busy week when I needed a nutritious breakfast that could double as a dessert. The moment I took that first bite, I knew I had found my new favorite morning treat. It’s a wonderful way to begin your day or enjoy a cozy brunch with family and friends!
Why Youโll Love This Dish
This Peanut Butter Banana Baked Oatmeal isn’t just delicious; it’s packed with benefits that make it a fantastic choice for any meal. Quick to whip up, it’s ideal for busy mornings or family gatherings. You can also prepare it in advance for easy meal prep throughout the weekโa lifesaver when life gets hectic!
And did I mention it’s budget-friendly? With ingredients you likely already have in your pantry, it’s an economical choice. Plus, it’s kid-approved! Iโve served this dish to friends who couldnโt believe it was made with healthy ingredients, and they couldnโt stop raving about it.
"This baked oatmeal was a hit! My kids couldnโt get enough, and I loved knowing they were eating something nutritious!" โ A Happy Home Cook
How This Recipe Comes Together
Making Peanut Butter Banana Baked Oatmeal is a straightforward process. You start by mashing the banana and mixing it with peanut butter and wet ingredients. Then, stir in the dry ingredients and bake! In about 45 minutes, you’ll have a warm, comforting dish that’s perfect for breakfast or dessert.
Gather These Items
1 large spotty banana (mashed)
ยฝ cup creamy all-natural peanut butter
3 tbsp real maple syrup (or honey)
1 ยพ cups of unsweetened almond milk or oat milk
1 large egg (or 1 tbsp ground flaxseed with 3 tbsp of warm water for vegan option)
2 tsp vanilla extract
2 cups old-fashioned rolled oats
1 tsp ground cinnamon
1 tsp baking powder
ยฝ tsp salt
You can easily substitute honey for maple syrup or swap almond milk for regular milk, depending on your preferences or dietary needs.

Directions to Follow
- Preheat your oven to 350ยฐF (175ยฐC). Lightly grease a 9-inch square dish.
- In a large bowl, mash the banana. Add peanut butter, maple syrup, almond milk, egg (or flaxseed mixture), and vanilla extract. Whisk everything together until smooth.
- Stir in the rolled oats, cinnamon, baking powder, and salt. If the mixture appears too thick, thin it out with a bit more milk.
- Pour the mixture into the greased dish and spread it evenly.
- Bake for 35 to 45 minutes, or until the top is golden brown and the center is set.
- Allow it to cool for 5 minutes before serving. For an extra treat, drizzle some peanut butter on top and garnish with banana slices.
How to Plate and Pair
Serving Peanut Butter Banana Baked Oatmeal is a joyous occasion! You can enjoy it warm right out of the oven, topped with extra banana slices and a drizzle of peanut butter or a dollop of yogurt. Pair it with a cup of coffee or a refreshing smoothie for a balanced breakfast or brunch. It also goes well with a side of fresh fruits or nuts for added texture and flavor.
How to Store and Reheat
Leftovers can be safely stored in the refrigerator in an airtight container for up to a week. When you’re ready to enjoy it again, simply reheat individual portions in the microwave for about 30-60 seconds or in the oven at 350ยฐF (175ยฐC) for 10-15 minutes. If it seems a bit dry, add a splash of almond milk before reheating.
Pro Chef Tips
- For an added texture, consider mixing in some nuts or chocolate chips before baking.
- If you want a stronger flavor, let the baked oatmeal sit for a few hours or overnight. The flavors will meld beautifully!
- Donโt skip the drizzling step; it adds a delightful presentation and an extra layer of flavor.
Recipe Variations
Feel free to make this dish your own! You can swap the peanut butter for almond butter for a different nutty taste or use mashed pumpkin for a fall twist. Try adding blueberries or chopped apples for extra fruitiness or an array of spices like nutmeg for deeper flavor.
Your Questions Answered
How long does it take to prepare?
Prep time is about 10 minutes, followed by 35 to 45 minutes of baking.
Can I make this vegan?
Yes! Simply use the flaxseed mixture instead of an egg, and swap any non-vegan ingredients for plant-based options.
How should I store leftovers?
Keep leftovers in an airtight container in the fridge for up to a week. Reheat as needed!

This Peanut Butter Banana Baked Oatmeal is not just a simple dish; it’s your new breakfast staple, filled with flavor and the goodness of oats and fruit. Happy baking, and enjoy every delicious bite! 
Peanut Butter Banana Baked Oatmeal
A delightful dish that combines the nostalgic flavors of childhood with wholesome oatmeal, perfect for breakfast or dessert.
- Prep Time: 10 minutes
- Cook Time: 40 minutes
- Total Time: 50 minutes
- Yield: 4 servings 1x
- Category: Breakfast
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 1 large spotty banana (mashed)
- ยฝ cup creamy all-natural peanut butter
- 3 tbsp real maple syrup (or honey)
- 1 ยพ cups of unsweetened almond milk or oat milk
- 1 large egg (or 1 tbsp ground flaxseed with 3 tbsp of warm water for vegan option)
- 2 tsp vanilla extract
- 2 cups old-fashioned rolled oats
- 1 tsp ground cinnamon
- 1 tsp baking powder
- ยฝ tsp salt
Instructions
- Preheat your oven to 350ยฐF (175ยฐC). Lightly grease a 9-inch square dish.
- In a large bowl, mash the banana. Add peanut butter, maple syrup, almond milk, egg (or flaxseed mixture), and vanilla extract. Whisk everything together until smooth.
- Stir in the rolled oats, cinnamon, baking powder, and salt. If the mixture appears too thick, thin it out with a bit more milk.
- Pour the mixture into the greased dish and spread it evenly.
- Bake for 35 to 45 minutes, or until the top is golden brown and the center is set.
- Allow it to cool for 5 minutes before serving. For an extra treat, drizzle some peanut butter on top and garnish with banana slices.
Notes
Leftovers can be stored in the refrigerator for up to a week. Reheat as needed. Consider adding nuts or chocolate chips for texture.
Nutrition
- Serving Size: 1 serving
- Calories: 350
- Sugar: 10g
- Sodium: 200mg
- Fat: 15g
- Saturated Fat: 3g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 50g
- Fiber: 5g
- Protein: 10g
- Cholesterol: 20mg








