1 jar Prego spaghetti sauce
1 (8 oz.) pkg. cheddar cheese
1 (8 oz.) pkg. Mozzarella cheese
1 box mostacolli noodles
1 pkg. sliced pepperoni
1 can sliced mushrooms, drained
1 lb. hamburger

Brown hamburger, drain. Cook noodles and drain. Layer noodles, meat, sauce, cheese, and mushrooms.

Bake at 350 degrees until bubbly about 30-40 minutes.