1 (8 oz.) package small shell macaroni
2 (6 1/2 oz.) cans Tuna, drained and flaked
1/2 cup mayonnaise
1 cup celery, chopped
1 cup onion, chopped
1/2 cup green pepper, chopped
1 (10 oz.) package frozen peas
1/2 tsp. salt
1 (10 1/2 oz.) can cream of mushroom or celery soup
1/2 cup milk
1/4 cup grated Parmesan cheese
2 Tbsp. butter or margarine
1/2 cup seasoned bread crumbs

Cook macaroni according to package directions. In large bowl, combine macaroni, Tuna, mayonnaise, celery, onion, green pepper, and peas. Blend in soup, milk, and salt. Place in a large or deep casserole dish. Combine Parmesan cheese, bread crumbs, and butter and mix until crumbly, put on top of casserole. Bake at 400 F for 30 minutes.