• USA Today, Thursday, April 19, 2012 10 AM

Have a bacon milkshake, or a bacon-flavored chocolate bar, or PB&J vodka. What about tacos made of Doritos. Marketers are trying weird combos to extend and differentiate their brands. 

To celebrate Oreo's 100th birthday in March, Kraft rolled out Birthday Cake Oreos with cake-icing flavor and sprinkles in the cream. "In and out flavors is how we grow our business," says Lisa Mann, U.S. VP of cookies at Kraft.

The Doritos Locos Tacos that Taco Bell rolled out last month, with a Doritos taco shell, is such a hit that it's already planning to roll out the Cool Ranch version later this year, says Brian Niccol, marketing chief. Jack in the Box rolled out its BLT Cheeseburger in February, and briefly promoted a bacon shake via social media.

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