However, some sesame seeds dotting the top of the bun would have been a nice touch, and given some added texture. Then again, ...

McDonald’s is testing its most caloric sandwich yet—the Big Arch—in Canada, Portugal, and Germany. With 1,030 calories, two beef patties, and a custom tangy sauce, it’s a burger lover’s dream!

mmm delicious! To serve spread some of the pesto sauce on the bun base, top with a burger, slice of tomato, sliced pickle and a frilly lettuce leaf. Look at my finished big and bold burgers.