DIRECTIONS

In a 1-1/2-qt. microwave-safe dish, combine chilies, onion and butter. Cover and microwave on high for 45 seconds or until butter is melted. Stir in flour until smooth. Gradually stir in milk until blended. Cook, uncovered, on high for 30-60 seconds or until thickened. Add cheeses and tomato. Microwave, uncovered, at 70% power for 1-2 minutes or until cheese is melted. Serve with tortilla chips. Yield: 2-2/3 cups.