Where's the beef? Upon their next Burger King visit, Whopper lovers are in for a surprise

OAKLAND, Calif. – This week, Burger King is introducing a version of its Whopper sandwich filled with a vegetarian patty from the startup Impossible Foods.

The Impossible Whopper, as it is known, is the biggest validation - and expansion opportunity - for a young industry that is looking to mimic and replace meat with plant-based alternatives.

http://www.startribune.com/whopper-please-hold-the-beef/507962902/