Holy cow! McDonald’s biggest burger ever is finally coming to the US. The fast-food chain revealed that the Big Arch Burger will be rolling out nationally on Tuesday, March 3 — and they’re calling it their “most McDonald’s, McDonald’s burger” yet, per the McDonald’s Menu Spotter. Lucky for New York City-based Golden Arch fans, the highly anticipated burger is already widely available in Manhattan, according to the McDonald’s app. The burger, available for a limited time, is “a love letter to fans who simply can’t get enough,” featuring two quarter-pound beef patties, three slices of melted white cheddar cheese, crispy...