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

Easy Banana Baked Oatmeal

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 16 reviews
  • 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 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 until firm and golden brown on top.
  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.

The only sweetness in these comes from the banana. If you’d like it a little sweeter, add 2 tbsp brown sugar,, honey, maple syrup or coconut sugar.

Let cool before storing. You can store it covered in the baking dish or transfer slices to an airtight container in the fridge for up to 1 week. Enjoy slices cold as a snack or reheat as is or with a splash of your favourite plant-based milk. Baked oatmeal can be frozen in individual slices and reheated from frozen or thawed in the fridge or at room temperature.


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