Can you coat vegetables in tempura batter and freeze them for frying later? waholi had trouble: The vegetables turned out rubbery and/or freezer-burned. will47 suggests slicing, battering, and frying the vegetables until three-quarters of the way done, then draining and freezing, leaving the final cooking until just before serving. So you don’t have to chip off pieces from a giant hunk of frozen vegetables, freeze the pieces individually on trays, says babette feasts. Then consolidate them after they’re frozen.