Tenderloin Burgers with Horseradish Sauce

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tenderloin burgers with horseradish sauce
  • Cook Time
  • Prep Time
  • 4Servings

Ingredients

  • 1 1/2 pounds beef tenderloin, cut into cubes
  • 1/4 cup very finely chopped flat-leaf parsley
  • 1/4 cup grated onion
  • 1 large egg yolk, beaten
  • kosher salt and coarse pepper
  • 2 tablespoons butter
  • Sliced mozzarella or mild cheddar (optional)
  • 4 brioche burger rolls, split and lightly toasted
  • Horseradish Sauce
  • Ketchup, for serving

Preparation

Using a grinder attachment for a stand mixer or pulsing in a food processor, coarsely grind the tenderloin meat. (Your supermarket's butcher department can also do this for you.) Transfer to a bowl. Add the parsley, onion, egg yolk and salt and pepper to taste. Form 4 patties.

Heat a griddle or large, heavy skillet over medium-high heat. Add the butter; when it foams, add the burgers and cook 6 to 8 minutes for rare to medium-rare, turning once. For cheeseburgers, top with the cheese for the last minute of cooking.

Serve the burgers on the rolls. Top with the horseradish sauce and ketchup.