These bite-sized RITZ cracker burgers are bursting with smoky chipotle flavor and zesty cheese! Blend meat with mustard and shape into 1 1/2-inch patties. Broil at 160°F for 6 to 8 minutes, flipping after 4 minutes. Top with American cheese and broil until melted. Place lettuce and tomatoes on crackers; top with cheeseburgers, dill pickles, onions, ketchup, and chipotle mayonnaise. Add them to your #TeamSpicy game-day snack spread and score big with your guests!