1 (6 1/2 oz.) can tuna (drained)
1 can cream of mushroom soup
1 c. cooked rice
1 sm. onion (chopped)
1 c. crushed potato chips

Gently combine ingredients until mixed. Put in 1 quart greased casserole. Bake at 350 degrees for 30 to 45 minutes. Makes 4 servings.