>>3120053Wondering why this is the most McDonald's McDonald's burger yet? Let's start with the two juicy quarter-pound* 100% beef patties, layered with three slices of melty white cheddar cheese^. It's then topped with both crispy and slivered onions, zesty pickles and crisp lettuce, but what truly sets it apart is the new BIG ARCH Sauce-tangy, creamy, with the perfect balance of mustard, pickle and sweet tomato flavors. All served on a toasted sesame and poppy seed bun, making each and every big bite equal parts juicy, melty and saucy.+