Product Recall: Kraft and Polly-O String Cheese and String Cheese Twists. Click here
HEAT oven to 375°F.
MIX meat, cracker crumbs and mustard until well blended; press into 8x4-inch loaf pan.
BAKE 40 min. or until done (160°F).
SPREAD meatloaf with ketchup. Top with cheese; bake 5 min. or until melted.