A vegan customer is suing Burger King for cooking its plant-based patties on the same grills it uses for meat.
In a proposed class action filed in the US, Philip Williams said the way the Impossible Whopper is grilled leaves it “coated in meat by-products”.
He said the burger’s tagline – “100% Whopper, 0% Beef” – was misleading.
Burger King did not comment, but the small print on its website says people wanting a meat-free option can request “a non-broiler method of preparation”.
A spokeswoman for the supplier, Impossible Foods, also told Reuters news agency that vegetarians and vegans “are welcome to ask” for their Impossible Whopper to be cooked in a microwave.
In the lawsuit filed in a Miami federal court, Mr Williams says that the burger chain does