There is no requirement of a separate grill, BK can use a microwave and/or advertise that while the impossible Burger contains 0% beef, it is cooked on equipmen

There is no requirement of a separate grill, BK can use a microwave and/or advertise that while the impossible Burger contains 0% beef, it is cooked on equipment that also cooks beef (just like we do with peanut allergy warnings.)