1 c. uncooked twist noodles
1 c. uncooked rigatoni noodles
1 (32 oz.) Prego spaghetti sauce
1 pkg. pepperoni
1 (8 oz.) pkg. Mozzarella cheese
1 green pepper, chopped
1 sm. can mushrooms
1 sm. onion, chopped

Cook noodles 12 minutes in water and salt. Add 1 tablespoon butter to drained noodles. Spread thin layer of Prego sauce in bottom of 8"x12" pan. Add 1/2 of noodles. Add 1/2 of remaining sauce. Add 1/2 of each following items: pepperoni, pepper, mushrooms, onion, cheese. Repeat all layers. Bake at 350 degrees for 20 to 25 minutes.