Lightly spray 1 1/2-quart round microwavable casserole with cooking spray. In large bowl, mix all ingredients except cheese, tortilla chips and cilantro. Spoon into casserole. Sprinkle cheese evenly over top.
Microwave uncovered on High 5 to 7 minutes or until warm. Sprinkle with cilantro. Place casserole on large round platter; surround with tortilla chips. Serve immediately. (Salsa will be saucy; serve with slotted spoon.)