Ingredients
Filling:
- 6 medium Granny Smith apples – peeled, cored and sliced
- ½ cup white sugar
- 1 teaspoon ground cinnamon
- ¼ teaspoon ground nutmeg
Topping:
- 1 cup brown sugar
- 1 cup all-purpose flour
- 1 cup quick-cooking oats
- ½ cup unsalted butter, diced
- 1 teaspoon ground cinnamon
Instructions
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Preheat the oven to 300 degrees F (150 degrees C). Grease a 9×13-inch baking dish.
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Combine apples, sugar, cinnamon, and nutmeg for filling in a bowl; transfer to the prepared baking dish.
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Combine brown sugar, flour, oats, butter, and cinnamon for topping in a large bowl. Sprinkle on top of filling.
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Bake in the preheated oven until golden and bubbly, about 1 hour.