Fern'S Apple Crisp - cooking recipe

Ingredients

Apple Filling:
10 cups sliced apples
1 cup brown sugar
2 tablespoons all-purpose flour
1 teaspoon ground cinnamon
6 tablespoons butter
Topping:
2 cups all-purpose flour
2 cups oatmeal
2 cups brown sugar
1 teaspoon cinnamon
1/2 teaspoon baking soda
1/2 teaspoon baking powder
1/2 teaspoon salt
1 cup butter, at room temperature

Preparation

Preheat oven to 350 degrees F (175 degrees C).
Toss apple slices with 1 cup brown sugar, 2 tablespoons flour, and 1 teaspoon cinnamon in the baking dish. Top with 6 tablespoons butter.
Mix 2 cups flour, oatmeal, 2 cups brown sugar, 1 teaspoon cinnamon, baking soda, baking powder, and salt in a large bowl. Rub in 1 cup butter until mixture is crumbly. Sprinkle over apples.
Bake in the preheated oven until bubbly and golden brown, about 45 minutes.