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The '''Big Mac''' is [[McDonald's]]' signature sandwich consisting of (as per its famous advertizing jingle, introduced in 1974) "Two all beef [[patties]], [[special sauce]], lettuce, [[cheese]], [[pickle]]s, onions, on a sesame seed [[bun]]."  It was developed in Uniontown, Pennsylvania by Jim Delligatti, one of [[Ray Kroc]]'s earliest franchisees, in 1967. The Big Mac first debuted at Delligatti's  restaurant at a selling price of 45 cents. It was created to compete with a similar [[Big Boy]] sandwich.  It was introduced nationwide in 1968. It consists of two 1.6 oz (45.4 g) beef patties. The Big Mac's bun is separated into 3 layers.

The '''Big Mac''' is [[McDonald's]]' signature sandwich consisting of (as per its famous advertizing jingle, introduced in 1974) "Two all beef [[patties]], [[special sauce]], lettuce, [[cheese]], [[pickle]]s, onions, on a sesame seed [[bun]]."  It was developed in Uniontown, Pennsylvania by Jim Delligatti, one of [[Ray Kroc]]'s earliest franchisees, in 1967. The Big Mac first debuted at Delligatti's  restaurant at a selling price of 45 cents. It was created to compete with a similar [[Big Boy]] sandwich.  It was introduced nationwide in 1968. It consists of two 1.6 oz (45.4 g) beef patties. The Big Mac's bun is separated into 3 layers.