Undone Stuffed Pepper Casserole

1 lb. ground beef

2   green peppers, coarsely chopped

3 cloves garlic, minced

2 cups  cooked long-grain white rice

1 jar (26 oz.) spaghetti sauce

1-1/2 cups  KRAFT Finely Shredded Italian* Five Cheese Blend, divided

HEAT oven to 350ºF.
BROWN meat with peppers and garlic in large skillet; drain. Stir in rice, spaghetti sauce and 3/4 cup cheese.
SPOON into 2-qt. casserole; top with remaining cheese.
BAKE 25 min.