This Peanut Butter Banana Oatmeal Bake is a warm, hearty breakfast that combines the classic flavors of peanut butter and banana with the wholesome goodness of oats.
Perfect for meal prep, this bake is naturally sweetened, protein-rich, and can be enjoyed throughout the week.
Why You’ll Love This Recipe
Make-ahead convenience – Prep once, enjoy all week
Naturally sweetened – No added sugar needed
Protein-packed – Eggs and peanut butter provide lasting energy
Customizable – Add chocolate chips or nuts for extra flavor
Gluten-free adaptable – Use certified gluten-free oats if needed
What You’ll Need (Ingredient Highlights)
Steel-cut oats – Provide a hearty texture and are rich in fiber
Ripe bananas – Naturally sweet and full of potassium
Peanut butter – Adds creaminess and protein
Eggs – Bind the ingredients and add protein
Milk of choice – Dairy or non-dairy options work well
Spices – Cinnamon and nutmeg for warmth and flavor
Vanilla extract – Enhances the overall taste
Baking powder – Helps the bake rise slightly
Optional chocolate chips – For a touch of indulgence
Pro Tips Before You Start
Use overripe bananas – They mash easily and are sweeter
Warm the peanut butter – Makes it easier to swirl into the batter
Customize your add-ins – Consider nuts, seeds, or dried fruits
Let it cool before slicing – Helps the bake set properly
Store properly – Keeps well in the fridge for up to 5 days
How to Make Peanut Butter Banana Oatmeal Bake
Step 1: Prep Oven
Preheat to 375°F (190°C) and grease a casserole dish.
Step 2: Mix Base
Stir oats, eggs, milk, cinnamon, nutmeg, vanilla, baking powder, and salt in a bowl.
Step 3: Assemble
Layer sliced banana on bottom.
Pour oat mix over.
Top with second banana.
Swirl in warm peanut butter.
Add chocolate chips if using.
Step 4: Bake
Bake in the preheated oven for 25–30 minutes, or until set and golden brown.
Serving Suggestions
Fresh fruit – Serve with additional banana slices or berries
Yogurt – A dollop of Greek yogurt adds creaminess
Drizzle of honey or maple syrup – For added sweetness
Nut butter – Extra peanut or almond butter on top
Variations / Substitutions
Make it vegan – Use flax eggs and plant-based milk
Add-ins – Incorporate nuts, seeds, or dried fruits
Different nut butters – Try almond or cashew butter
Spice it up – Add a pinch of cardamom or ginger
Storage & Reheating Tips
Refrigerate – Store in an airtight container for up to 5 days
Freeze – Cut into portions and freeze for up to 3 months
Reheat – Warm in the microwave for 1–2 minutes or in the oven at 350°F (175°C) until heated through
FAQs
Can I use rolled oats instead of steel-cut oats?
Yes, but the texture will be softer, and baking time may vary.
Is this recipe gluten-free?
Use certified gluten-free oats to ensure the bake is gluten-free.
Can I make this without eggs?
Yes, substitute each egg with a flax egg (1 tbsp ground flaxseed + 3 tbsp water).
How can I make it sweeter?
Add a tablespoon of honey or maple syrup to the batter.
Final Thoughts
This Peanut Butter Banana Oatmeal Bake is a comforting, nutritious breakfast option that’s easy to prepare and perfect for busy mornings.
With its wholesome ingredients and customizable nature, it’s sure to become a staple in your meal prep routine.
