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Peanut Butter Banana Baked Oatmeal

Peanut Butter Banana Baked Oatmeal – The Best Warm Breakfast Bake


  • Author: Lyndy
  • Total Time: 45 minutes
  • Yield: 6 servings 1x
  • Diet: Vegetarian

Description

Peanut Butter Banana Baked Oatmeal is a cozy, wholesome breakfast bake made with ripe bananas, creamy peanut butter, and hearty rolled oats. Warm, filling, and naturally sweetened, it’s perfect for family breakfasts, meal prep, or a comforting grab-and-go snack.


Ingredients

Scale

Main Ingredients:

  • 2 cups rolled oats (old-fashioned)
  • 23 ripe bananas, mashed
  • ½ cup creamy peanut butter
  • 1½ cups milk (dairy or plant-based)
  • 1 large egg

Flavor & Structure:

  • 2 tablespoons maple syrup (optional)
  • 1 teaspoon baking powder
  • 1 teaspoon cinnamon
  • ¼ teaspoon salt
  • 1 teaspoon vanilla extract (optional)

Optional Add-Ins:

  • Chocolate chips
  • Chopped nuts
  • Sliced bananas for topping

Instructions

  1. Preheat oven: Preheat to 350°F (175°C) and grease an 8×8-inch baking dish.
  2. Mash bananas: In a large bowl, mash bananas until smooth.
  3. Mix wet ingredients: Stir in peanut butter, milk, egg, maple syrup, and vanilla.
  4. Add dry ingredients: Mix in oats, baking powder, cinnamon, and salt until combined.
  5. Transfer: Pour mixture into prepared baking dish and spread evenly.
  6. Bake: Bake for 30–40 minutes until set and lightly golden on top.
  7. Cool & serve: Let cool 10 minutes before slicing and serving.

Notes

  • Ripe bananas: The riper the bananas, the sweeter and creamier the bake.
  • Make it vegan: Use plant milk and a flax egg instead of a regular egg.
  • Meal prep: Stores well for up to 5 days and freezes beautifully.
  • Texture tip: Cover loosely with foil halfway through baking for a softer oatmeal.
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Category: Breakfast
  • Method: Baked
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 320
  • Sugar: 12g
  • Sodium: 210mg
  • Fat: 14g
  • Saturated Fat: 3g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 38g
  • Fiber: 6g
  • Protein: 11g
  • Cholesterol: 45mg

Keywords: peanut butter banana baked oatmeal, baked oatmeal recipe, banana oatmeal bake, healthy breakfast bake, meal prep breakfast