Freezing Horseradish: The Complete Guide

Can you freeze horseradish? – The Complete Guide

Horseradish is a versatile root vegetable that is commonly used to make a creamy sauce with a little bite. However, if you find yourself with extra horseradish and are wondering what to do with it, freezing it can be a viable option. In this comprehensive guide, we will walk you through the process of freezing horseradish and provide you with helpful information about this pungent plant.

The basics of horseradish

Horseradish is a root vegetable that comes from a flowering perennial plant. It is commonly used as a seasoning for cooking or as a condiment and sauce. While it is now used throughout the world, it was originally found and used in parts of Europe and Asia. The root is the most commonly used part of the plant, and when sliced can produce a reaction similar to that of an onion.
Horseradish is known for its pungent flavor and is often purchased as a prepared sauce because of its strong odor. The fresh root can also be grated, dried, or ground into a powder. Horseradish sauce is typically made with horseradish, vinegar, and salt.

Freezing Horseradish

If you have excess horseradish and want to extend its shelf life, freezing is a good option. Here are the steps to effectively freeze horseradish:

  1. Grate the horseradish: It is recommended to freeze horseradish grated rather than whole, as it freezes better in this form. Grating the horseradish also makes it easier to use in smaller portions later.
  2. Preserve with vinegar: Once you grate the horseradish, it is important to work quickly to preserve its flavor and prevent degradation. Soaking the grated horseradish in vinegar can help preserve its character. If you freeze the whole horseradish root, you can skip this step.
  3. Portion and wrap: Divide the grated horseradish into small portions that you can easily use later. Wrap each portion tightly in foil to protect it from freezer burn and preserve its quality.
  4. Package: Place the wrapped foil packages of horseradish in an airtight container or heavy-duty freezer bag. Label the container or bag with the date and contents for easy identification.
  5. Freeze: Place packaged horseradish in the freezer and store for up to six months. Make sure the freezer temperature is consistently set at 0°F (-18°C) or below to maintain the quality of the horseradish.

Using Frozen Horseradish

When you are ready to use frozen horseradish, you can take it straight from the freezer to your dish. Grating the frozen horseradish will be easy, but peeling it may be a little more difficult at this point. It is important to note that you should not thaw portions of horseradish and then freeze them again, as this can negatively affect their quality. Therefore, it is recommended to grate the horseradish and separate it into portions before freezing.

Related questions

Here are some additional questions often asked about horseradish:

  1. How can you tell if horseradish is bad? If horseradish turns dark or mushy, it is likely to be bad and should be thrown away. This applies to grated, whole, or prepared horseradish.
  2. Is whole horseradish hot? The heat of horseradish is actually activated by oxygen when it is sliced or grated. The compound isothiocyanate, which is responsible for the heat, is provoked when horseradish is exposed to air.
  3. Can you use horseradish skin? While horseradish skin is considered safe for consumption, it is not recommended for use due to the high number of allergic reactions associated with it.


Freezing horseradish is an effective way to preserve this tasty root vegetable. By following the simple steps outlined in this guide, you can extend the shelf life of horseradish and have it available for use in a variety of dishes. Whether you choose to grate horseradish or make it into a sauce before freezing, proper storage and handling will ensure its quality and flavor.


Can I freeze whole horseradish roots?

Yes, you can freeze whole horseradish roots. However, it is recommended that you grate the horseradish before freezing, as grated horseradish freezes better and is easier to use in smaller portions.

How long can I freeze horseradish?

Horseradish can be frozen for up to six months. Be sure to store it in an airtight container or heavy-duty freezer bag to preserve its quality. Label the container or bag with the date and contents for easy identification.

Can I thaw and refreeze frozen horseradish?

Thawing and refreezing portions of frozen horseradish is not recommended. Thawed horseradish can lose its quality and texture, so it is best to use it straight from the freezer without thawing.

How do I know if horseradish has gone bad?

If horseradish turns dark or mushy, it is probably not good and should be thrown away. This applies to grated, whole, and prepared horseradish.

Does freezing horseradish affect its flavor?

Freezing horseradish may slightly affect its flavor and texture. However, if stored properly, frozen horseradish retains much of its pungent flavor and can be used in a variety of dishes.

Can I freeze horseradish sauce?

Yes, you can freeze horseradish sauce. Follow the same steps for grating and preserving horseradish with vinegar before freezing. Portion the sauce into small containers or freezer bags and freeze for up to six months. Remember not to thaw and refreeze the sauce once it has been frozen.