Prepare as directed, stuffing the patties with 1 drained can (4 oz.) chopped green chilies instead of the bacon, cheese and 4 tsp. barbecue sauce. Top each cooked burger with 1 KRAFT Big Slice Pepper Jack Cheese Slice. Grill an additional 2 to 3 min. or until cheese is melted. Fill buns with burgers and remaining ingredients as directed.