1 lb. sausage
1 (32 oz.) Ragu
1 (7 oz.) box shell macaroni
1 (12 oz.) shredded Mozzarella cheese
1 (8 oz.) can sliced mushrooms
1 (4 1/2 oz.) pkg. pepperoni

Brown sausage and Ragu. Prepare macaroni according to box. Starting with macaroni, layer ingredients in 9x12 baking dish. Pour in meat mixture; top with cheese and mushrooms. Cover with pepperoni. Cover with foil and bake at 350 degrees for 30 minutes. Let stand 10 minutes and serve.