How to Make Homemade Prepared Horseradish

Photography Credit: Elise Bauer

Do you like horseradish? I find that people either love it or hate it. Some people can’t resist it, and some people will leave the room if it’s on the table. One bite of pungent prepared horseradish is enough to clear out anyone’s sinuses.

Horseradish is both easy to grow and easy to prepare. Plant a section of root in a sunny part of your yard, make sure it gets some water, and soon you’ll have more horseradish than you can use. If you don’t have access to a garden plant, you can often find the roots at markets such as Whole Foods.

Homemade prepared horseradish is about twice as strong as store-bought versions, and lasts about 3 to 4 weeks in the refrigerator.

Horseradish plant

How to Make Homemade Prepared Horseradish

  • Prep time: 10 minutes


  • 8-10-inch long piece of horseradish root
  • 2 Tbsp water
  • 1 Tbsp white vinegar
  • Pinch salt


1 Dig up or buy an 8-10 inch horseradish root: If you have access to a garden horseradish plant, use a sturdy shovel to dig up an 8-10-inch long tuber of horseradish. (You can't pull it up.) The plant itself, once established, propagates with tubers, and is very hardy. (See Wikipedia on horseradish). Remove the leaves from the root and rinse the dirt off of the root.

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2 Peel and chop: Use a vegetable peeler to peel the surface skin off of the tuber. Chop into pieces.


3 Grind in food processor with water, add vinegar, salt: Put into a food processor. Add a couple tablespoons of water. Process until well ground. At this point be careful. A ground up fresh horseradish is many times as potent as freshly chopped onions and can really hurt your eyes if you get too close. Keep at arms length away, and work in a well ventilated room.

Strain out some of the water if the mixture is too liquidy. Add a tablespoon of white vinegar and a pinch of salt to the mixture. Pulse to combine.

Note that the vinegar will stabilize the level of hotness of the ground horseradish, so do not wait too long to add it to the mixture.

4 Transfer to jar: Using a rubber spatula, carefully transfer the grated horseradish to a jar. It will keep for 3 to 4 weeks in the refrigerator.

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Horseradish Information Council

Hung like horseradish from the Happyhoarfrost

Fresh Wasabi (not the same as horseradish)

How to Prepare Horseradish

Showing 4 of 72 Comments

  • Geannine

    I just made a fresh batch and had to run an extention cord outside for my food processor. For some reason this year its very stong. We love horseradish on everything plus whats a bloodymary with out horseradish.

  • Karel

    My grandmother( died at age 95 in 1984) had a very long horseradish row along the edge of her garden. Her rule was….. Never harvest horseradish in months with an “R” in the name.

  • lee

    how do you get it keep more than a few weeks

  • Hazel strange

    I have never had fresh horseradish except from a restaurant. A friend of mine came to see me last year and gave me secret her father used, and it really work, with jarred horseradish from store to keep it fresh. Put lid back on after use and the upside down making sure the horseradish is up against the lid and it will not turn brown. Stays fresh.

  • Brian Booth

    So no one seems to be able to answer the direct question, or not that I have seen it anyway… Is it possible to pressure or hot-water can horseradish after it has been prepared so it can be stored? I do not wish to keep unused canned horseradish in the fridge or freezer. thanks!! -Brian

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