1 (10 1/2 oz.) can cream of mushroom soup
3/4 c. milk
2 tsp. minced onion
Salt and pepper to taste
1 (6 oz.) can tuna
3 c. coarsely crushed potato chips

Blend soup and milk, add onion and bring to boil, stirring constantly. Season to taste. Arrange half of crushed chips in bottom of greased casserole dish. Top with half of flaked or grated tuna. Repeat layers. Pour mushroom soup mix over top and garnish with whole chips. Bake at 350 degrees for 25 minutes. 5-6 servings.