Cooking Directions:
1. Preheat broiler. Prepare pasta according to package directions; drain.
2. Meanwhile, in microwave-safe dish, stir together processed cheese, 2 ounces cheddar cheese and milk. Microwave at HIGH (100%) about 3 minutes, stirring halfway through cooking time or until cheese is melted.
3. Stir together hot cooked pasta and cheese sauce; pour into 2-quart baking dish.
4. Spread salsa on top; sprinkle with remaining cheddar cheese.
5. Broil about 4 inches from heat until cheese is melted and salsa is hot. Top with olives and sprinkle with tortilla chips, if desired.