McDonald's introduces Big Arch burger larger than Big Mac, trials in Canada and Portugal.

McDonald's has introduced a new Big Arch burger, dethroning the iconic Big Mac in size. The fast-food chain revealed the Big Arch burger during a July 29 earnings call, stating it consists of two patties, melted cheese, "crispy toppings", and a "tangy McDonald's sauce". Trials of the Big Arch burger are currently underway in Canada and Portugal.