This Amish-style apple and cinnamon baked oatmeal is a comforting and hearty breakfast or brunch option that combines oats, cinnamon, apples, and a custard-like texture for a satisfying meal.
3 cups (300 g) old-fashioned rolled oats
1 ½ teaspoons baking powder
2 teaspoons ground cinnamon
¼ teaspoon ground nutmeg
¾ teaspoon salt
½ cup (106 g) lightly packed brown sugar, more to taste
2 ½ cups milk
2 large eggs
1 teaspoon vanilla extract
4 tablespoons butter or coconut oil, melted
2-3 large tart sweet apples (like Honey Crisp or Gala), peeled, cored, and diced