Warm cinnamon, juicy apple, and hearty oats bake into tidy slices that make busy mornings easier.
Cinnamon Apple Baked Oatmeal Recipe
Prep: 12 minutes Cook: 38 minutes Total: 50 minutes Yield: 8 servings
Ingredients
- 2 cups old-fashioned rolled oats
- 1 teaspoon baking powder
- 1 1/2 teaspoons ground cinnamon
- 1/4 teaspoon kosher salt
- 2 cups milk
- 1 large egg
- 1/3 cup pure maple syrup
- 2 tablespoons melted unsalted butter
- 1 teaspoon vanilla extract
- 1 medium crisp apple, cored and diced small
- 1/3 cup chopped walnuts, optional
Instructions
- Heat the oven to 350°F. Grease an 8-inch square baking dish.
- Mix the oats, baking powder, cinnamon, and salt in a large bowl.
- Whisk the milk, egg, maple syrup, melted butter, and vanilla in a second bowl. Pour over the oat mixture and stir well. Fold in the diced apple and walnuts.
- Spread the mixture evenly in the dish. Bake for 35 to 38 minutes, until the edges are golden and the center reaches 160°F.
- Cool for 10 minutes before slicing. Serve warm with yogurt or a splash of milk.
Why this recipe works
Old-fashioned oats hold their shape instead of turning mushy, and small apple pieces soften evenly while keeping the middle moist.
Helpful tips
- Choose a firm apple such as Honeycrisp, Pink Lady, or Granny Smith.
- Let the mixture stand for 5 minutes before baking for softer slices.
- For nut-free oatmeal, omit the walnuts or replace them with pumpkin seeds.
Storage and reheating
Cover and refrigerate for up to 4 days. Reheat a portion with a spoonful of milk. Freeze individual slices for up to 2 months.
Food-safety note: Bake until the center reaches 160°F because the mixture contains egg. Refrigerate leftovers within 2 hours.
Estimated nutrition
Per serving: 245 calories, 7 g protein, 39 g carbohydrates, and 8 g fat. Estimates vary by brands and portions.
Helpful kitchen gear
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