1 (12 oz.) pkg. rotini pasta
1 lb. hamburger
1 med. onion, chopped
1 can mushroom stems & pieces, sliced
1 sm. jar olives, sliced
1 (8 oz.) can tomato sauce
Dash salt
Dash pepper
1 tsp. Worcestershire sauce

Brown and drain hamburger, onion and Worcestershire sauce. Leave in pan. Boil pasta to Al-Dente. Mix mushrooms, olives, tomato sauce, salt and pepper into hamburger mixture. Drain and rinse pasta. Mix hamburger mixture into pasta. Put in casserole dish and put in 400 degree oven for 20 to 30 minutes.