Price includes one Stackburger, choose a single, double or triple. A single (1/6lb*), double stack (1/3lb*) or triple stack (1/2lb*) of 100% seasoned real beef patties, melty Sharp American** and White Cheddar**, stacked with all your favorite toppings; juicy tomato, white onion and crisp lettuce, on a soft and toasted bun.