Ingredients

  • 2 tablespoons extra-virgin olive oil
  • 1 yellow onion, finely chopped
  • 10 ounces white button mushrooms, finely chopped
  • 1/2 pound ground turkey
  • 1 large egg
  • 1/2 teaspoon kosher salt
  • 2 tablespoons canola oil

Directions

  • Add the olive oil to a large skillet and set over medium-high heat. Add the onion and sauté, stirring occasionally, until starting to soften and turn translucent—about 5 minutes. Add the mushrooms, stir, and continue to sauté—stirring and lowering the heat as needed—for about 20 minutes. Cool completely before forming the burgers.
  • Form the burgers. Mix the cooled mushroom-onion mixture, turkey, egg, and salt in a bowl.
  • Set a large cast-iron skillet over high heat. Add the canola oil. When the skillet is very hot, add the patties. Sprinkle with salt. Sear for about 3 minutes, until crusty, then flip. Top with cheese, if you’re using, and sear for another 3 or so minutes until cooked through.
  • Sandwich with your chosen bun and toppings. Slice in half and eat.

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