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Overhead view of a bowl of Chunky Monkey Baked Oatmeal topped with bananas, drizzled peanut butter, and milk.

Chunky Monkey Baked Oatmeal (Gluten-Free, Vegan-Friendly)

  • Author: One Lovely Life
  • Total Time: About 1 hour
  • Yield: 6-9 Servings 1x
  • Diet: Gluten Free


Chunky Monkey Baked Oatmeal – This peanut butter banana baked oatmeal is loaded with goodies like coconut and chocolate chips to make any morning feel special. (Gluten-Free, Vegan-Friendly)




  • 2 Ripe Bananas, mashed (about 1 cup mashed banana)
  • 1 1/2 cups light coconut milk (can sub almond milk or do 3/4 cup coconut and 3/4 cup almond)
  • 1/3 cup peanut butter
  • 2 Tbsp. pure maple syrup
  • 1 egg (or 1 chia egg* or 1 flax egg* for vegan)
  • 1 1/2 tsp. vanilla extract


  • 2 cups rolled oats (certified gluten-free, as needed)
  • 1 tsp. baking powder
  • 1/4 tsp. salt
  • 1/4 cup chocolate chips, to sprinkle on top

OPTIONAL TOPPINGS: Milk for drizzling, sliced bananas, chopped nuts (walnuts or pecans), peanut butter to drizzle, toasted coconut, additional chocolate chips, or fresh berries.


  1. Preheat the oven to 350 degrees F. Grease a 9×9 (or 2-quart) baking dish.
  2. In a large bowl, combine the wet ingredients. Mix mashed banana, coconut milk, peanut butter, syrup, egg/chia egg, and vanilla until smooth and uniform. (No large chunks of banana or peanut butter remain.)
  3. Add rolled oats, baking powder, and salt to the wet ingredients and stir to combine.
  4. Pour the oatmeal mixture into your prepared baking dish and sprinkle with chocolate chips.
  5. Bake at 350 degrees F. for 40-45 minutes, or until the top is golden and the mixture has puffed.
  6. Cool 5 minutes before slicing and serve with your favorite toppings!


*TO MAKE A CHIA OR FLAX EGG: Combine 1 Tbsp. chia seeds OR flax seeds with 3 Tbsp. water in a small bowl and stir to combine. Let the mixture sit 4-5 minutes to gel. Stir again once before adding to the recipe as directed.

  • Prep Time: 15
  • Cook Time: 40-45 minutes
  • Category: Breakfast
  • Method: Oven
  • Cuisine: American

Keywords: Chunky Monkey baked oatmeal, peanut butter banana baked oatmeal, chunky monkey oatmeal, chocolate banana baked oatmeal