KEY POINTS
  • Burger King is launching a vegetarian burger in more than 20 markets across Europe on Tuesday.
  • In the United States, the burger chain will test substituting beef patties with Impossible patties in its Whopper Jr. burgers and signature hamburgers.
  • Thanks in part to the success of the Impossible Whopper, Burger King's same-store sales grew by 5% during its third quarter, its largest jump since 2015.
In this photo illustration, the new Impossible Whopper sits on a table at a Burger King restaurant on August 8, 2019 in Brooklyn, New York.

Burger King is doubling down on meatless burgers.

The Restaurant Brands International chain announced on Monday plans to launch a vegetarian burger in more than 20 markets across Europe. The Rebel Whopper, made with patties from Unilever-owned The Vegetarian Butcher, will be available in more than 2,400 European locations Tuesday.