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Horseradish Salmon
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5 from 1 vote

Horseradish Salmon

Did you know fresh horseradish was a thing? After making this super fun and delicious Horseradish Salmon you'll be a convert! Fresh horseradish tops this salmon and then broiled on top to form a crust for a unique weeknight dinner.

Prep Time10 minutes
Cook Time10 minutes
Total Time20 minutes
Course: Dinner
Diet: Gluten Free
Keyword: Horseradish Salmon
Method: Broil
Author: Lexi's Clean Kitchen


  • 2 cups peeled and diced horseradish root
  • 1/4 cup water
  • ½ teaspoon fine sea salt
  • 3 tablespoons white vinegar
  • 1 lb. wild-caught salmon filets
  • 2 tablespoons butter or ghee melted
  • 1 tablespoon dijon mustard
  • 1/2 teaspoon fine sea salt
  • 1/2 teaspoon freshly ground pepper
  • 1/2 teaspoon garlic powder
  • 2 tablespoons finely minced parsley for garnish
  • Fresh lemon for garnish


  • Add horseradish and water to a food processor. Pulse until finely ground, being careful not to inhale any of the fumes. Add in salt and vinegar and pulse until combined. Transfer horseradish to a container.
  • Preheat the broiler to 500°F and place salmon fillets on a sheet pan.
  • Add 1-½ cups horseradish to a bowl. Add in butter, dijon mustard, salt, pepper, and garlic powder and mix together.
  • Evenly divide the horseradish mixture on top of the salmon fillet.
  • Broil on high for 7-9 minutes, or until fish is cooked through to 170ºF and horseradish mixture is lightly browned and crispy.
  • Sprinkle with parsley and a squeeze of lemon, and serve with your favorite side.


 You may have leftover horseradish. Keep covered in a container for up to 2 weeks in the refrigerator.
This recipe was originally published in 2015, and republished with new photos and helpful tips in 2020.