Potato chips
1 can cream of mushroom soup
1 (7 oz.) can tuna, drained
1/2 tsp. salt
1/2 c. milk

Heat oven to 350 degrees. Crush enough potato chips to measure 3/4 cup. Grease casserole dish. Mix mushroom soup, salt and milk. Blend well. Place tuna in bottom of casserole dish. Pour soup mixture over tuna. Sprinkle chips over top. Bake for 25 minutes.