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A slice of baked banana oatmeal topped with berries and peanut butter on a plate.

Easy Banana Baked Oatmeal

  • Author: Deryn Macey
  • Prep Time: 5 mins
  • Cook Time: 30 mins
  • Total Time: 35 minutes
  • Yield: 6
  • Category: Breakfast
  • Method: Oven
  • Cuisine: Vegan


This super easy baked oatmeal recipe is perfect for easy breakfasts and pre-workout snacking. Enjoy a slice warm from the oven topped with berries and peanut butter then store the rest for quick breakfasts all week.



  1. Pre-heat the oven to 350 degrees F.
  2. Place the mashed banana in an 8×8 square baking dish. Use a fork to mash it into a smooth paste.
  3. Add the oats, flax, milk, salt, cinnamon, and vanilla and mix well.
  4. Bake in the oat mixture in the oven for 30 minutes.
  5. Let cool for 15 minutes in the pan before cutting into 6 squares. Serve right away or store in the fridge up to 4 days. The baked oatmeal squares can also be frozen for up to 3 months in an airtight container.


You can double the recipe and use a larger casserole-sized dish to make 12 oatmeal squares.


  • Serving Size: 1
  • Calories: 152
  • Fat: 4 g
  • Carbohydrates: 27 g
  • Fiber: 4.5 g
  • Protein: 5 g

Keywords: bake, simple, bars