McDonald's is the most famous American hamburger chain in the world. In Barcelona it has several restaurants, including McDonald's in the Ànecblau Shopping Center in Castelldefels. It is said that the McDonald brothers were responsible for creating the fast food concept in the 1940s in California, USA.
The most famous McDonald' s hamburger is the Big Mac, which has been marketed since 1967 and has the following ingredients in its composition: two pieces of beef, special and secret house sauce, lettuce, crispy pickle, onion, cheese and bread with sesame seeds. Yes sir, that's the formula for the success of the world's best known burger!
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