Ingredients

• 8 large Granny Smith apples , cored and sliced
• 0.5 cups white sugar
• 2.5 tablespoons all-purpose flour
• 3 teaspoons ground cinnamon , divided
• 1 cup butter , melted
• 1.5 teaspoons ground nutmeg
• 2 cups miniature marshmallows
• 1 cup firmly packed brown sugar
• 1 cup quick cooking oats
• 1 cup all-purpose flour

Instructions

1. 1 Preheat the oven to 375 degrees F (190 degrees C).
2. 2 Mix apple slices, white sugar, 2 1/2 tablespoons flour, and 1 teaspoon cinnamon together in a large bowl until thoroughly combined; spread out into a 9x13-inch baking dish.
3. 3 Mix melted butter, 2 teaspoons cinnamon, and nutmeg together in a medium bowl until well combined; stir in marshmallows, brown sugar, oats, and 1 cup flour until thoroughly combined. Spread evenly over apples, then gently flatten topping to a smooth layer.
4. 4 Bake in the preheated oven until apples are tender and topping is golden brown, 30 to 35 minutes.

Nutrition per serving