Burger King is trialing three new burgers featuring Impossible Foods’ vegan meat patty.

Burger King announced on Monday that it is adding Impossible Burgers to the kids’ menu and value menu at 180 locations across in Milwaukee, Cedar Rapids, Augusta, Cincinnati, and Buffalo, Wisconsin.

The new menu items include the Impossible Whopper Jr., the Impossible Burger, and the Impossible Cheeseburger. The first is a smaller version of the Impossible Whopper, featuring the vegan patty with mayonnaise, lettuce, tomato, pickles, ketchup, and sliced onion. The Impossible Burger comes with a patty, pickles, ketchup, and mustard. And the Impossible Cheeseburger is a cheeseburger made with an Impossible patty.

The burgers are available as part of Burger King’s kids’ meals, marking the first time a mainstream fast-food giant has offered a plant-based meat option on a children’s menu.

Burger King x Impossible Foods

Burger King introduced the Impossible Whopper to more than 7,000 locations last August. The nationwide launch followed a successful trial in 59 restaurants in 59 St. Louis, Missouri.

Burger King experienced a 5 percent increase in sales in the third quarter, thanks in part to the Impossible Whopper. Jose Cil, CEO of Burger King parent company Restaurant brands said during a conference call last October: “The Impossible Whopper is a huge hit with our guests and has quickly become one of the most successful product launches in Burger King’s history.”

Cil added that Burger King is working on meatless options for the Latin American and Asian markets as well.

Burger King International Goes Meat-Free

Several international locations have already introduced meat-free options. Burger King Brazil will launch the Rebel Whopper — a meat-free burger created by the nation’s second-largest food processing company Marfrig Global Foods — this month following a trial in São Paulo.

Burger King Sweden trialed the Rebel Whopper and the Rebel Chicken King, which feature soy-based vegan meat, last May. Hungry Jack’s, the Australian fast-food franchise of Burger King, launched the Rebel Whopper last October. It wasn’t Hungry Jack’s first plant-based offering. The chain introduced a Vegan Cheeseburger in October 2018. It also launched vegan breakfast muffins at the beginning of the year.