Spicy Corn Casserole
["1 large onion, chopped", "1 Tbsp. light margarine", "1 (10 oz.) can diced tomatoes and green chilies", "1 (16 oz.) can whole kernel yellow corn", "1 (16 oz.) can Shoe Peg white corn", "1 (16 oz.) can cream-style yellow corn"]
["In saucepan, saute onion in margarine until tender.", "Add remaining ingredients, mixing well.", "Transfer to a glass baking dish and refrigerate at least 8 hours or overnight.", "Put in cold oven and bake at 325\u00b0 for 2 hours.", "Yields 8 servings.", "Great because it can be made ahead of time."]
["onion", "light margarine", "tomatoes", "whole kernel yellow corn", "Peg white corn", "cream-style yellow corn"]