• Burger Business, Monday, February 8, 2016 8:04 AM

The Big Mac sauce makes the Big Mac. As the Big Mac approaches its 50th anniversary next year, McDonald’s is treating its Big Mac Sauce as a very valuable commodity in promotions in the UK and in Australia. In the UK, the new Bacon Clubhouse burger includes Big Mac Sauce, something McDonald’s very rarely allows to be used on anything other than the Big Mac. To tout the U.K. arrival McD’s is running an eBay auction for one 740ml bottle of Big Mac Sauce that will be accompanied by a dispenser that looks like a caulk gun.

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