Q. Can you freeze fresh horseradish root? If so, do you just pop in the freezer whole, or should you grate it first? A. Yes, you can freeze horseradish, although it may lose a little pungency.

Purée onion, horseradish, and 1/2 cup water in a blender ... Scrape mixture with a fork to break up frozen portions. Freeze, scraping and breaking up mixture every 30 minutes, until it resembles ...