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Mushroom Swiss Smash Burgers with Truffle Sauce

Mushroom Swiss Smash Burgers with Truffle Sauce

★7.0BM
◆7.5(3)
Community Rating
7.5
Current community rating (3 votes)
About
• 0.5 cup mayonnaise • 2 teaspoons fresh lemon juice • 0.75 teaspoon truffle oil • 1 teaspoon finely chopped fresh parsley • 1 clove garlic, grated • 1.25 teaspoons salt, divided • 0.125 teaspoon plus 1/2 tsp. black pepper • 3 tablespoons unsalted butter • 1 (16 ounce) package sliced cremini mushrooms • 5 sprigs thyme • 1 teaspoon Worcestershire sauce • 0.25 teaspoon garlic powder • 0.25 teaspoon onion powder • 0.25 teaspoon paprika • 1.25 pounds ground chuck • 4 slices Swiss cheese • 4 kaiser rolls, split and toasted

Recipe

  1. 1
    Whisk together mayonnaise, lemon juice, truffle oil, parsley, garlic, 1/4 teaspoon salt, and 1/8 teaspoon pepper in a small bowl.
  2. 2
    Melt butter in a large cast-iron skillet over medium-high heat. Stir in mushrooms and thyme sprigs; cook, stirring occasionally, until mushrooms are tender and golden brown, about 10 minutes. Discard thyme sprigs. Season with 1/2 teaspoon salt and Worcestershire sauce. Transfer mushroom mixture to a bowl; keep warm for serving. Wipe out skillet.
  3. 3
    Stir together garlic powder, onion powder, paprika, and remaining 1/2 teaspoon each salt and pepper for the rub. Divide beef into 4 portions; gently shape into balls.
  4. 4
    Heat same skillet over medium-high heat. Working in batches as needed, add meat portions to dry skillet; press down firmly with a flat spatula or grill press into 41/2-inch-diameter patties. Sprinkle evenly with rub. Cook 2 minutes per side or until well browned. Top patties with Swiss cheese and cook about 30 seconds until cheese is melted and an instant- read thermometer inserted into centers registers at least 160 degrees F (71 degrees C).
  5. 5
    To assemble burgers, spread bun tops and bottoms with truffle mayo. Fill buns with patties and sautéed mushrooms.