1 lg. bag potato chips, crushed
1 or 2 cans water packed tuna, drained
1 or 2 cans mushroom soup
Milk to fill mushroom soup cans
Onions, olives, etc. (optional)

Mix soup with milk in saucepan. Heat. Add tuna, broken into pieces. Add crushed chips to thicken. Pour into buttered pan or casserole dish. Bake, covered for half the time. Bake at 350 degrees for 1 hour.