Slow-Cooker Stuffed Peppers

small green peppers 1/2 lb. lean ground beef 1 cup instant white rice, uncooked 1 cup frozen peas 3/4 cup water, divided 1/2 cup KRAFT Original Barbecue Sauce, divided 1 VELVEETA Mini Blocks (4 oz.), cut into 1/2-inch cubes

small green peppers

lean ground beef

instant white rice, uncooked

frozen peas

water, divided

KRAFT Original Barbecue Sauce, divided

VELVEETA Mini Blocks (4 oz.), cut into 1/2-inch cubes