Mouthwatering perfection starts with two 100% pure beef patties and Big Mac sauce sandwiched between a sesame seed bun. Its topped off with pickles, crisp shredded lettuce, finely chopped onion and American cheese for a 100% beef burger with a taste like no other. It contains no artificial flavors, preservatives or added colors from artificial sources.* Our pickle contains an artificial preservative, so skip it if you like. There are 550 calories in a Big Mac. Order one today with McDelivery!