Three Corn Casserole
["1/2 c. margarine, melted", "3 large eggs", "1 (17 oz.) can cream-style corn", "1 (16 oz.) can whole kernel corn, undrained", "1 can Mexican corn", "1 (8 oz.) container ready-to-use onion dip", "1/8 tsp. black pepper", "1 (8 1/2 oz.) box corn muffin mix"]
["Heat oven to 325\u00b0.", "Lightly brush a shallow 2 1/2-quart casserole with some butter."]
["margarine", "eggs", "cream-style", "whole kernel corn", "corn", "onion", "black pepper", "corn muffin"]