Mushroom Swiss Smash Burgers with Truffle Sauce

Mushroom Swiss Smash Burgers with Truffle Sauce

Try this gourmet smash burger with sauteed mushrooms, Swiss cheese, and homemade truffle mayonnaise next time you're in a burger mood.

Preparation Time
40 mins
Total Time
40 mins
Calories
969 Calories

Recipe Instructions

Step 1
Whisk together mayonnaise, lemon juice, truffle oil, parsley, garlic, 1/4 teaspoon salt, and 1/8 teaspoon pepper in a small bowl.
Step 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.
Step 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.
Step 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).
Step 5
To assemble burgers, spread bun tops and bottoms with truffle mayo. Fill buns with patties and sautéed mushrooms.

Ingredients

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

Categories

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