Cheesy Meatball Subs
- 1 cup spaghetti sauce
- 1/2 cup water
- 2 Tbsp. KRAFT Grated Parmesan Cheese
- 3/4lb. (3/4 of 1-lb. pkg.) frozen fully-cooked meatballs (1-1/2 inch)
- 4 crusty sandwich rolls, split
- 3/4 cup KRAFT Shredded Mozzarella Cheese
COMBINE first 4 ingredients in large skillet. Bring to boil on medium-high heat, stirring occasionally.
SIMMER on medium heat 8 min. or until meatballs are heated through, stirring occasionally.
SPOON into rolls; top with mozzarella.