ST. LOUIS — In a city that has a strong burger culture and a big arch of its own, McDonald’s is offering the Big Arch Burger for a limited time.
Starting March 3, the fast-food giant is releasing the burger across the country, including about 100 locations in the St. Louis region.
It has two quarter-pound beef patties, three slices of white cheddar cheese, onions, lettuce, pickles, and a new Big Arch Sauce, served on a bun with sesame and poppy seeds…