brown the hamburger in a frying pan until done. meanwhile in a medium saucepan cook the macaroni until tender. drain and set aside. add the spagetti sauce to the fried meat and stir. then add the cooked and drained macaroni to the meat and blend. spray a 9x13 baking pan with cooking spray. pour 1/2 of macaroni mixture in the pan and sprinkle half of the cheeses on top, then pour remaining macaroni on top and add the rest of the cheeses. butter each piece of white bread and cut into small chunks. place buttered side up on top of the cheese until covered. bake in a 350 degree oven for about 45 minutes.