Sweet Potato Casserole
["2 (big) cans yams", "4 eggs", "1 c. sugar to taste", "1 c. margarine to taste"]
["Pour off water from yams.", "Mix all ingredients together in large bowl.", "Preheat oven to 350\u00b0.", "Cook in middle of rack.", "Cook for 20 minutes, then check.", "It sometimes takes 30 minutes.", "Leave soft in middle so it won't be dry."]
["yams", "eggs", "sugar", "margarine"]