1 can cream of mushroom soup
3/4 c. milk
2 tsp. minced onion
Salt and pepper to taste
3 c. coarsely crushed potato chips
1 (6 oz.) can tuna, flaked

Mix soup and milk. Bring to a boil. Add onion, salt and pepper. Arrange in buttered casserole. Alternate layers of chips and tuna. Pour soup mixture over all and garnish top with chips. Bake 25 minutes at 350 degrees.