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Amish-Style Apple & Cinnamon Baked Oatmeal

A hearty, custard-like baked oatmeal casserole with tender apples and warm cinnamon, perfect for make-ahead breakfasts.
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Prep Time 15 minutes
Cook Time 50 minutes
Total Time 1 hour 5 minutes
Servings: 8 servings
Course: Breakfast, Brunch
Cuisine: American, Amish-Inspired
Calories: 320

Ingredients
  

Oatmeal Bake
  • 3 cups old-fashioned rolled oats
  • 1 tsp baking powder
  • 1.5 tsp ground cinnamon
  • 0.25 tsp ground nutmeg
  • 0.5 tsp fine sea salt
  • 2 large eggs
  • 0.66 cup packed brown sugar
  • 2.5 cups milk whole or 2%
  • 0.33 cup unsalted butter melted and cooled
  • 2 tsp pure vanilla extract
  • 2 medium apples peeled, cored, and diced
Cinnamon Topping
  • 2 tbsp brown sugar
  • 0.5 tsp ground cinnamon

Equipment

  • 9x13-inch baking dish
  • Large mixing bowl
  • Medium mixing bowl
  • Whisk
  • Spatula

Method
 

  1. Preheat oven to 350°F (175°C). Grease a 9x13 inch baking dish.
  2. In a large bowl, combine oats, baking powder, 1 ½ tsp cinnamon, nutmeg, and salt.
  3. In a medium bowl, whisk eggs. Add ⅔ cup brown sugar and whisk until smooth. Whisk in milk, melted butter, and vanilla.
  4. Pour wet ingredients over dry oat mixture. Stir until combined. Gently fold in diced apples.
  5. Pour batter into prepared dish and spread evenly. Mix 2 tbsp brown sugar with ½ tsp cinnamon; sprinkle evenly over top.
  6. Bake for 45-55 minutes, until top is golden brown and center is set.
  7. Let cool on a wire rack for 10-15 minutes before serving. Serve warm with cream, yogurt, or maple syrup.

Notes

Store cooled baked oatmeal covered in the refrigerator for up to 4 days. Reheat portions as needed. For a make-ahead option, prepare the night before, keep wet and dry ingredients separate in the fridge, then combine and bake in the morning (add 5-10 mins bake time).