Burger King adds even more variety to their popular 2 for $6 Mix and Match promotion by offering the Impossible Whopper sandwich as one of four options fans can choose from.

Available for a limited time, fans can now choose any two of the following four menu items for 6 bucks:

Impossible Whopper sandwich

Whopper sandwich

Spicy Crispy Chicken sandwich

Crispy Chicken sandwich

First introduced last year, the Impossible Whopper features a flame-grilled patty made from plants topped with sliced tomatoes, onions, lettuce, mayonnaise, ketchup and pickles on a toasted sesame seed bun.

Price and participation may vary by location.

Image – Burger King