Potato Casserole
["1 c. sour cream", "1 can cream of chicken soup", "1/2 c. chopped onion", "2 c. grated Cheddar cheese", "1/2 stick melted margarine"]
["Cut up and stew potatoes to fill 9 x 13-inch pan, drained. Mix remaining ingredients. Spoon over potatoes. Top with cracker crumbs. Melt 1/2 stick margarine and pour on top.", "Bake at 375\u00b0 approximately 40 minutes, until brown and bubbly."]
["sour cream", "cream of chicken soup", "onion", "Cheddar cheese", "margarine"]