Product Recall: Kraft and Polly-O String Cheese and String Cheese Twists. Click here
HEAT greased grill to medium heat.
MIX meat and barbecue sauce; shape into 4 patties.
GRILL 9 min. on each side or until done (160°F). Top with cheese; grill 1 to 2 min. or until melted.
SPREAD buns with guacamole; fill with lettuce, cheeseburgers, tomatoes and onions.