1 lb. med. shell macaroni, any style
1 (5 3/4 oz.) jar black olives, sliced
1 (5 oz.) jar stuffed green olives, sliced
2 c. shredded Mozzarella cheese
1/2 c. chopped onion
1/2 c. chopped celery
1 (3 oz.) can mushrooms, chopped
15 cherry tomatoes, cut in half
1 (4 oz.) pkg. sliced pepperoni
2 (8 oz.) bottles Italian salad dressing
1 tsp. dried oregano

Cook shells. Combine all ingredients, toss. Pour on salad dressing. Sprinkle with oregano, chill.