1 (4 oz.) can mushrooms, drained
1/2 c. mayonnaise
1/3 c. shredded cheddar cheese
1 can cream of shrimp soup
1 (6 1/2 oz.) can crab meat, drained
1 (8 oz) can water chestnuts, drained and sliced
2 hard cooked eggs, chopped
1 (3 oz.) can French fried onion rings

Blend together mushrooms, mayonnaise, cheese, and soup in 1 1/2 quart casserole. Gently fold in water chestnuts, crab meat, and eggs. Cook in 350 degrees for 30 minutes. Add onion rings and cook 5-10 minutes longer.