1. Combine first 8 ingredients (through egg) in a large bowl; stir gently to combine. Spread beef mixture evenly in a 9 1/2-inch microwave-safe loaf dish coated with cooking spray; do not pack beef mixture into dish. Loosely cover with a paper towel. Microwave at HIGH 8 minutes.
2. Preheat broiler.
3. Sprinkle meat loaf with cheese; broil 3 minutes or until browned.