Tender turnips keep this gratin light ... Cover tightly with kitchen foil. Cook in the oven on the middle shelf for 15 minutes, then use a fish slice or spatula to press down on the vegetables ...
To freeze early-crop turnips, trim, peel and dice them, then blanch, cool and pack into freezer bags. Cook from frozen. For main-crop turnips, cook, drain and mash them, then freeze in rigid ...