Brown 1 1/2 pounds hamburger with onion. Drain. Add 14 ounces Ragu spaghetti sauce and 1/2 teaspoon garlic salt. Also can add mushrooms, ripe olives, green peppers, and pepperoni. 2 tubes buttermilk biscuits (cut in flour). Pour in 9 x 13 inch pan and bake 20-25 minutes at 350 degrees. Add shredded Mozzarella cheese on top. Bake 10 minutes more.