This Peanut Butter Banana Baked Oatmeal is a delicious make-ahead or meal prep breakfast recipe! It's made with 10 nutritious ingredients in 30 minutes & it's gluten-free.
Preheat oven to 350 degrees F. Grease a 9x9” square baking pan and set aside.
In a large bowl, combine mashed banana and peanut butter together.
Stir in the vanilla extract, maple syrup and egg.
Add the milk and stir to combine.
Add the quick cooking oats baking powder, sea salt and ground cinnamon to the wet ingredients and stir until the batter is uniform throughout.
Pour the mixture into the prepared baking dish.
Bake at 350 degrees for 25 minutes. Or until the top slightly springs back when touched and the edges are just barely brown.
If desired, drizzle the top with peanut butter.
Let cool slightly. Then, cut into 9 or 16 squares and serve.
Store in refrigerator, reheat in microwave or enjoy cold.
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Notes
For an egg-free version: Mix 1 Tablespoon ground chia seeds or ground flaxseed with 2 ½ Tablespoons hot water. Set aside.Ingredient Substitutions
Quick Cooking Oats: The texture is the best with quick cooking oats. If you only have old-fashioned (or rolled) oats, pulse them 2-3 times in a blender or food processor until they are the same texture as quick-cooking oats and then use them in this recipe.
Creamy Peanut Butter: Any nut or seed butter works well in this recipe - examples include sunflower seed butter or almond butter. You can also use crunchy peanut butter .
Maple Syrup: honey is a great substitute.
Egg: A chia or flax egg (1 Tablespoons ground chia seeds or flaxseed mixed with 2 ½ Tablespoons hot water) can be used in place of a regular egg.
Milk: I use whole milk, you can use almond milk, coconut milk, 2% milk, even half and half works well.
StoreStore leftovers in an airtight container in the refrigerator for 5 to 7 days. Freeze
Let the oatmeal cool to room temperature.
Cut into individual squares.
Store in an airtight container in the freezer for up to 2 months.
To reheat: remove a piece of baked oatmeal from the fridge or freezer and reheat in the microwave or in the oven set to warm. To Prepare a Day in Advance
Make the entire recipe according to the instructions.
Cool to room temperature, cover with foil and store in the refrigerator.
In the morning place the covered baked oatmeal in the oven on warm and warm it for 10-15 minutes before serving.