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How to Prepare Horseradish

How to Prepare Horseradish

People either love horseradish or they hate it. One bite of pungent prepared horseradish is enough to clear out anyone's sinuses. Hotter than the popular Japanese version of wasabi, horseradish is easy to grow and easy to prepare. 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.

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How to Prepare Horseradish

Ingredients

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

Method

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1 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 Use a vegetable peeler to peel the surface skin off of the tuber. Chop into pieces.

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3 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.

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4 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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20 Comments

My husband is mad about strong sauces and especially about the horseradish sauce. I used to buy the ready one. But it's not so strong like yours. From my dear husband a million thanks to you for this recipe.

Posted by: home cook on June 24, 2007 3:20 AM

First time visitor, I am looking to find out how to make horseradish. I've never done it before. Is there any way to make this and can it so that it will last for mor than 3 to 4 weeks?
I would like to make some of this sauce and keep it all winter and spring at least.

Note from Elise: Given that you are working with a root, and roots do quite well in the ground, the thing to do is to just pull up only as much as you need for a small batch, a batch that you would go through in a few weeks. The chemicals that give horseradish its pungency are volatile, they just don't hold up over time, which is why commercial horseradish isn't nearly as strong as freshly made.

Posted by: kurt lubbock on November 7, 2007 5:22 PM

My father made it for years and we used small bottles like baby food jars and froze them. then we would take one out when we needed one.

Posted by: Blake Whiteway on March 4, 2008 7:36 AM

How do you keep fresh ground horseradish from turning gray after a day or two in the refrigerator?

Posted by: emily on March 15, 2008 1:24 PM

The acidity of the vinegar should keep the color white for the month or so it's good.

Note that lemon or lime juice will also help keep the color (and I believe, though I don't know, should preserve the hotness level.)

Freezing should work well--leave room for a bit of expansion (~10%) of the ice.

Note that processing horseradish is closely related to chemical warfare work--best to do it outside in a "well-ventilated" OUTSIDE (WINDY is good!) area.

One of the largest grower processors is located about 25 minutes from here--they use gas masks while processing.

This processing problem is, in and of itself a good reason to make a larger batch and freeze it is small doses.

The 'bite' of any particular brand of horseradish will very some with shelf-time, but the main reason that they tend to 'bite' less than fresh is that the market mostly prefers that strength. There are brands with more 'bite.'

Note also that you do NOT want to plant horseradish anywhere except it's permanent multi-year location. It is very difficult to eliminate once established as every tiny bit of tuber must be removed or you will have new plants.

If you learn to recognize the plant (and it's pretty easily identified,) or ask gardeners around town, someone will happily give you a tuber for your own plants--or just to grind.

Nobody ever has a shortage of the stuff once established.

Posted by: Charles on April 23, 2008 12:50 PM

I need a recipe that will last up to a year.

Posted by: cynthia ferruso on May 28, 2008 1:23 PM

Hi,

you wanted a recipe that'll keep for a long time. Just make sure your vinegar is a sound pickling strength (6-8%) and follow the recipe without using water. The strength will diminish over time, but not the flavor. Seal tight in many small jars (acid proof) and keep all in the fridge.

Tip:- Exposure to air activates the enzymes that produce the heat, the longer the exposure the hotter the sauce. I peel and chop them under water, then process them without adding the liquid/vinegar until various times have elapsed (0-10 mins).

I haven't tried this, but apparently ice-cream with horseradish sauce (zero heat, lemon juice not vinegar) is served in some top-end restaurants!

Also, try Horseradish.org (there's someone for every kind of obsession...).

Great tips, thanks Bryn! ~Elise

Posted by: Bryn on August 10, 2008 2:36 PM

Can Horseradish be canned ? I would like to give it away as Christmas gifts.

I do believe so, though it loses its potency pretty quickly, which it is why it is best to eat freshly made. ~Elise

Posted by: Barb Butler on September 17, 2008 8:54 AM

I have been making horseradish for about 15 years. Never used water or salt. Just used white vinager but I strain every batch and squeeze out some of the juice enough to keep a nice texure and use for mixing. I will add small amounts of vinger when needed. It seems to work great because my longest horseradish in the fridge was over 3 years old with no color change, personally I think it got stronger. I have canned horseradish and for a good trick is to tell the person if they want the full effect they should smell it when they open it.

Posted by: keith on October 27, 2008 11:52 PM

If not opened once jarred how long does horseradish last? If you don’t mix it with ingredients does it last longer?

Posted by: Kane on November 3, 2008 5:26 AM

I always had trouble keeping my horseradish white, untill a friend of mine who makes it also told me to wrap the jar in a BROWN BAG, keep in Ice box. No trouble since.

Posted by: rottler on November 11, 2008 11:41 AM

I tried using a blender once, but the texture wasn't as nice as hand grating with a rasp or small grater. A restaurant in Carmel, CA serves their prime rib with horseradish julienned, so experimenting with different textures, not only enhances the falvor, but experience as well. Thanks for keeping it simple!

Posted by: yumyum on February 28, 2009 8:33 PM

When is the best season to dig the root?

Great question. I have no idea. ~Elise

Posted by: John Whipple on March 18, 2009 5:58 PM

The root is best dug in the early spring before the tops come up. Or late fall after everything has went back to root. I just got done making 5 pints.

Posted by: mike on April 11, 2009 1:36 PM

Thanks for all the information; I just bought a horseradish root today-my brother is here visiting from FLA & insists that commercial horseradish sauce isn't as strong or good as freshly grated. So I began searching for information and advice & I like the comments added here.

Posted by: Sandra Smith on June 13, 2009 1:10 PM

I am looking for the recipe on how to (can) pressure cook home grown horseradish. Does anyone have directions? Thanks very much.

Posted by: Kathy Vogt on July 17, 2009 8:53 AM

The best time to dig up horseradish is in the spring time, late spring; if you wait to long it does get tough and is not very good.

Posted by: frederick lamica on July 22, 2009 4:44 PM

Does prepared(store bought) Horseradish need to be thrown out when the expiration date is up?

Probably a good idea, don't you think? ~Elise

Posted by: Dixie Smith on August 3, 2009 12:31 AM

After peeling and then cutting up the root into pieces would that not be a good time to freeze it in small bags and then just remove it from the freezer when you want to make some sauce?

You could try it that way. Let us know in the comments how it turns out for you if you do. ~Elise

Posted by: Peter Hayes on October 9, 2009 1:25 AM

All I have read about harvest times relates to northern climates. I am 50 miles south of Tampa and planted tubors in September. They are flourishing so when should I harvest?

Posted by: Chuck on November 14, 2009 6:22 PM

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