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The Best Baked Oatmeal Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.1 from 68 reviews
  • Author: Mary
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Total Time: 50 minutes
  • Yield: 12 servings
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

This Best Baked Oatmeal recipe is a hearty and comforting breakfast dish that combines wholesome rolled oats with a touch of brown sugar, warm spices, and vanilla. Baked to golden perfection, it creates a soft, custardy texture that can be enjoyed warm or cold, perfect for meal prep or a family breakfast.


Ingredients

Scale

Dry Ingredients

  • 6 cups rolled oats (uncooked)
  • 1 cup brown sugar
  • 1 tablespoon baking powder
  • 1 teaspoon salt
  • 1/2 teaspoon ground cinnamon

Wet Ingredients

  • 4 large eggs
  • 4 cups milk
  • 1 stick butter (melted, about 1/2 cup)
  • 2 teaspoons vanilla extract


Instructions

  1. Preheat and Prepare Pan: Heat your oven to 375°F (190°C) and lightly grease a 9×13 inch baking pan with butter or cooking spray to prevent sticking.
  2. Mix Dry Ingredients: In a large bowl, whisk together the rolled oats, brown sugar, baking powder, salt, and ground cinnamon until evenly combined.
  3. Add Wet Ingredients and Combine: Crack in the eggs, pour the milk, melted butter, and vanilla extract into the oat mixture, then stir thoroughly until all ingredients are well incorporated into a uniform batter.
  4. Bake the Oatmeal: Pour and evenly spread the mixture into the prepared baking pan. Place it in the preheated oven and bake for about 40 minutes or until the oatmeal is set and the top is lightly golden.
  5. Cool and Serve: Remove the pan from the oven and let the baked oatmeal cool for 5 minutes before slicing it into bars or squares. Serve warm as a wholesome breakfast or snack.

Notes

  • Use old-fashioned rolled oats for best texture; instant oats will not hold well.
  • You can customize this recipe by adding fresh or dried fruits, nuts, or chocolate chips before baking.
  • Leftovers can be stored in the refrigerator for up to 5 days and reheated in the microwave.
  • For a dairy-free version, substitute milk with almond or oat milk and butter with coconut oil.