Cook macaroni in large saucepan as directed on package, omitting salt. Meanwhile, combine tomato sauce, vegetables and cilantro. Blend evaporated milk and chipotle peppers in blender until smooth.
Drain macaroni; return to pan. Add chipotle mixture with mozzarella and 4 Singles; cook and stir 5 min. or until cheeses are completely melted. Spoon half into 13x9-inch baking dish sprayed with cooking spray; top with layers of half each of the vegetable mixture and remaining Singles. Repeat layers of macaroni and vegetables; cover.
Bake 25 min. or until heated through. Top with remaining Singles; bake, uncovered, 5 min. or until melted.