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The Best All-Purpose Baked Oatmeal Base Recipe

A close-up, sunlit square of amazing baked oatmeal with a crispy, caramelized top layer.

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Make this simple, wholesome baked oatmeal base recipe. It is perfect for meal prep and serves as a foundation for adding your favorite fruits or spices for a healthy breakfast.

Ingredients

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  • 2 cups rolled oats
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 1/4 cup brown sugar, packed
  • 1 1/2 cups milk (dairy or non-dairy)
  • 1 large egg, lightly beaten
  • 1/4 cup unsweetened applesauce or melted butter
  • 1 teaspoon vanilla extract

Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease an 8×8 inch baking dish.
  2. In a large bowl, mix the rolled oats, baking powder, cinnamon, and salt.
  3. Add the brown sugar to the dry ingredients and stir to combine.
  4. In a separate bowl, whisk together the milk, egg, applesauce (or melted butter), and vanilla extract.
  5. Pour the wet ingredients into the dry ingredients. Stir until everything is just combined. Do not overmix.
  6. Pour the oatmeal mixture into the prepared baking dish.
  7. Bake for 30 to 35 minutes, or until the top is set and lightly golden brown.
  8. Let the baked oatmeal cool for 5 minutes before cutting into squares.

Notes

  • For a blueberry baked oatmeal, gently fold in 1 cup of fresh or frozen blueberries before baking.
  • To make an apple cinnamon version, add 1 cup of diced apples and increase the cinnamon to 1 1/2 teaspoons.
  • For a streusel topping, combine 1/4 cup flour, 2 tablespoons brown sugar, 1/4 teaspoon cinnamon, and 2 tablespoons cold, cubed butter. Cut the butter into the dry mix until crumbly, then sprinkle over the top before baking.
  • This recipe works well for make ahead breakfast preparation. Store leftovers in the refrigerator for up to 4 days.

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