1 1/2 lbs. ground beef
1/2 c. chopped celery
1/2 c. sliced green olives (optional)
3 (8 oz.) cans tomato sauce
1 lb. cooked shells or noodles
1 c. chopped green pepper
1/2 c. chopped onion
2 cans tomato soup
2 (4 oz.) cans mushrooms (optional)
8 oz. Provalone cheese (shredded)

Saute ground beef, green peppers, celery and onion. Add olives, tomato soup, tomato sauce and mushrooms. Simmer for 5 to 10 minutes. Mix with cooked shells. Pour into casserole dish and sprinkle with cheese. Bake at 350 degrees for 30 minutes.