Burger King Impossible Whopper vs Carls Jr. Beyond Famous Star. We compare the Impossible Whopper and the Beyond Famous Star in this vegan burger taste test. The Burger King Impossible Whopper and Carl's Jr. Beyond Famous Star are the two most popular vegan fast food burgers available today. Khalil is a big fan of the Whopper and has never tried a vegan burger, so this non-vegan provides you with an Impossible Whopper review and a Beyond Famous Star review as he compares them bite vs bite. I've done other videos comparing the Impossible Burger vs the Beyond Burger, but never from two different fast food restaurants. After trying the Impossible Whopper and Beyond Famous Star, his opinion of vegan food has definitely changed, but did he like either of these vegan burger to order them again? His answer and opinion about the Impossible Whopper and Beyond Famous Star may surprise you!