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Burger King tested the Impossible Whopper in St. Louis in April 2019 and put it on menus across the United States that summer. It was the first time a plant-based burger was sold at that scale by a major fast-food chain, and it pushed rivals to follow with versions of their own.
This home version is quick because the patty is bought, not made: an Impossible patty, or another plant-based beef substitute, seasoned with salt and pepper and cooked over medium heat for three to four minutes a side until it has some grill marks. Everything else follows the Whopper’s build: a toasted sesame bun, shredded lettuce, tomato, pickles and onion, with a sauce of vegan mayonnaise and ketchup. The original is made with regular mayonnaise, so vegan mayo is what makes this version fully plant-based. Serve it straight away, while the patty is hot.

Ingredients

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impossible patty

sauce

assembly

Recipe

  1. 1
    Season the Impossible patty with salt and black pepper on both sides.
  2. 2
    Cook the patty. Grill or pan-fry over medium heat for 3–4 minutes per side until cooked through with slight grill marks.
  3. 3
    Toast the buns lightly until golden.
  4. 4
    Prepare the sauce by mixing vegan mayonnaise, ketchup, and a pinch of black pepper until smooth.
  5. 5
    Assemble the Impossible Whopper from bottom to top: bottom bun with sauce, shredded lettuce, tomato slices, pickles, onion rings, cooked Impossible patty, extra sauce if desired, then the top bun. Serve immediately while warm.

Order something like it

Not cooking tonight? These burgers on chain menus are built from the same main ingredients.

Lord of the Fries · a plant-based patty and beef
Signature
Original
547 kcal
Hans im Glück · a plant-based patty and beef
Erbsenkönigin
7th Street Burger · a plant-based patty and beef
Double Impossible Cheeseburger
600 kcal
Burger King · beef
Whopper
1recipe