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SACRAMENTO (CBS/AP) — McDonald’s is trying to lure customers into its store to try new versions of its Big Mac by giving away 10,000 bottles of its trademark Special Mac Sauce for people to use at home.

The giveaway is happening on Thursday, January 26, and just one McDonald’s location in Sacramento is participating in the event. It’s on 2320 Fair Oaks Boulevard, across the street from Pavilions Shopping Center.

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According to a McDonald’s spokesperson, only 100 bottles up for grabs, and will be given out on a first-come, first-serve basis. When you get to the counter, you have to say the special code phrase, “There’s a Big Mac for That,” in order to get the sauce.

This is the first time McDonald’s has given away the sauce to the general public. Recipients will be able to see a number on the label letting them know which of the 10,000 bottles they received.

The move is to celebrate the introduction of the Mac Jr. and the Grand Mac, two different-sized variations of the classic sandwich.

McDonald’s introduced the Big Mac in 1968. In 1975, the special sauce got its own callout in the signature Big Mac commercial, touting the burger’s components_”Two all-beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun.”

(TM and © Copyright 2010 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2010 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or Redistributed. The Associated Press contributed to this report.)

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