Horseradish (Armoracia rusticana) is a pungent member of the brassica family, traditional on the Passover seder plate. It is available from local growers at the Farmer's Market.

The roots will keep for months in the freezer, without making your blueberries taste pungent.

2009

• March 28: Busch's, root: $4.99/#, typical size 0.6 lb.