Tomato should be peeled, ceeded, and chopped. * Chili Peppers should be canned, chopped, green chili peppers. ~------------------------------------------------------------------------In a small nonmetal bowl micro-cook the chopped onion and butter or margarine, uncovered, on 100% power for 1 1/2 to 2 minutes or till the onion is tender but not brown. Stir in the American cheese spread. Micro-cook, uncovered, on 100% power for 2 to 3 minutes or till the cheese spread is melted, stirring occasionally. Stir in chopped tomato, green chili peppers, and bottled hot pepper sauce, if desired. Micro-cook the cheese mixture, uncovered, on 100% power for 30 seconds to 1 minute more or till the cheese mixture is heated through. Serve immediately with tortilla or corn chips. Makes about 1 cup of dip.