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mixed berry topped baked oatmeal in a green staub casserole dish

One Pan Oatmeal

  • Author: Brita Britnell
  • Total Time: 30 minutes
  • Yield: 4 servings 1x
  • Diet: Vegan


This Baked One Pan Oatmeal takes just 5 minutes of prep work and is the EASIEST way to make oatmeal. You’ll LOVE this!


Units Scale
  • 1 banana mashed
  • 1 cup of old fashioned oats
  • 1 cup milk of choice
  • 2 tablespoons of chia seeds
  • 11 1/2 cups of frozen berries
  • Shredded coconut for topping optional


  1. Pre-heat the oven to 350 degrees F and lightly grease a small casserole dish (mine is equivalent to an 8×8 inch pan).
  2. Mash your banana directly in the baking dish. Top with the oats, chia seeds, and milk. Mix to combine.
  3. Sprinkle on the frozen fruit and shredded coconut. You *can* mix those into the oats but I like to leave them just sitting on the top. 
  4. Bake for 25 minutes until the oatmeal is set. Serve immediately with a drizzle of maple syrup and ENJOY! It’s also delicious with a little bit of nut butter mixed in after baking YUM!


You can use any kind of berries for this but I really love it with the mixed berries!

  • Prep Time: 5 minutes
  • Cook Time: 25 minutes
  • Category: breakfast
  • Method: baking
  • Cuisine: american


  • Serving Size:
  • Calories: 201
  • Sugar: 13.1 g
  • Sodium: 36.8 mg
  • Fat: 3.8 g
  • Carbohydrates: 34.7 g
  • Protein: 6.3 g
  • Cholesterol: 1.2 mg

Keywords: vegan oatmeal, one pan oatmeal, baked oatmeal