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apple cinnamon oatmeal bake topped with yogurt frosting served in a white plate
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Apple Cinnamon Baked Oatmeal (Fall Breakfast Bake)

A simple and nourishing apple‑spiced baked oat breakfast that brings comforting fall flavors to your table with minimal effort and maximum warmth.
Prep Time15 minutes
Cook Time45 minutes
Total Time1 hour
Course: Breakfast
Cuisine: American
Keyword: apple cinnamon baked oatmeal, apple cinnamon oatmeal bake, fall breakfast bake, oatmeal bake
Servings: 8 generous portions
Author: Lama

Ingredients

Oatmeal Bake

  • 3 cups Rolled oats
  • 3 cups Milk (dairy or non-dairy)
  • 2 large Eggs
  • ½ cup Coconut brown sugar or maple syrup or honey
  • 2 large Apples peeled, cored, and diced
  • 1 teaspoon Baking powder
  • 1 tablespoon Ground cinnamon
  • ½ teaspoon Ground nutmeg
  • 2 teaspoons Vanilla extract
  • ¼ teaspoon Salt

Yogurt Frosting

  • ½ cup Plain or Greek yogurt
  • ½ tablespoon Honey
  • Sprinkle of cinnamon

Instructions

Oatmeal Bake

  • Preheat the oven to 350°F.
  • Lightly coat a 9×13-inch baking dish with oil spray.
  • In a large bowl, combine the oats, cinnamon, nutmeg, baking powder, and salt.
  • In a separate bowl, whisk together the milk, eggs, coconut sugar (or substitutes), and vanilla.
  • Pour the wet ingredients into the dry ingredients and stir gently until just combined.
  • Spread the mixture evenly in the prepared baking dish and sprinkle the diced apples evenly over the top, then lightly fold them in.
  • (Optional) Drizzle honey or maple syrup over the top for extra sweetness and caramelization.
  • Bake for 40–45 minutes, until the top is set and golden brown.
  • Let cool for a few minutes before serving.

Yogurt Frosting

  • Combine ingredients in bowl and mix. Pour on top of apple cinnamon oatmeal bake after it's been cooled or right before serving.

Notes

I love reheating piece by piece in a skillet on medium heat.  I sprinkle a little water for moisture.  I cook it for 3-5 minutes until its warm.
Use rolled oats—not quick—for the best chew.
Resist over mixing—stir until just combined for a fluffier texture.
Cool slightly before slicing so it holds together.
Make ahead: it reheats beautifully and eases busy mornings.
Amp up fall feels with a topping of apple slices and cinnamon sugar before baking.

Nutrition

Serving: 1piece | Calories: 287kcal | Carbohydrates: 49g | Protein: 10g | Fat: 6g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.01g | Cholesterol: 58mg | Sodium: 189mg | Potassium: 367mg | Fiber: 5g | Sugar: 26g | Vitamin A: 249IU | Vitamin C: 3mg | Calcium: 204mg | Iron: 2mg