Preheat the oven to 350 degrees Fahrenheit.

Combine all ingredients to form a crumbly dough.

Spread half of the crumb mixture into large roaster pan or three nine-inch round pans.

Spread filling over dough.

Cover with remaining crumbs. Bake in nine-inch pans for 35 to 45 minutes; roaster pan for 45 to 50 minutes.