For the best flavor, select turnips that are about 2 inches in diameter, and firm to touch with smooth unblemished skins.
If turnips are purchased with tops attached, remove prior to storing; do not store turnip greens with the turnip roots. Unwashed turnip roots will hold their flavor and freshness for about 2 weeks if stored in the crisper section of the refrigerator. Unwashed green turnip tops will keep for only 2 to 4 days in the crisper section of the refrigerator.
Peel and trim young, tender turnips. Cut to required size and blanch 3 minutes. Chill in iced water for 3 minutes, then drain and place on tray in a single layer. Freeze for 30 minutes. Once the turnips are frozen, transfer to freezer bags; remove air, label and seal. Turnips will keep for 6 months.
Turnips may also be fully cooked and mashed before freezing; store in airtight rigid containers leaving 1/2 inch of headspace.
Turnips are related to radishes and arugula, which are also members of the mustard family.
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