extra-lean ground beef
(7-1/4 oz.) KRAFT Mac & Cheese
(14-1/2 oz.) stewed tomatoes, undrained
KRAFT Shredded Low-Moisture Part-Skim Mozzarella Cheese
Brown meat in large nonstick skillet on medium heat; drain. Return to skillet.
Stir in Macaroni, Cheese Sauce Mix, tomatoes, peas and milk. Bring to boil; cover. Simmer on medium-low heat 12 min. or until macaroni is tender, stirring occasionally.
Top with mozzarella. Remove from heat. Let stand, covered, 5 min. or until mozzarella is melted.