Definition: Beni shoga is red pickled ginger as beni means red and shoga means ginger in Japanese. It's commonly used for garnishing in various dishes. Prepackaged beni shoga is often available at Asian grocery stores. To make beni shoga, ginger root is pickled in red plum vinegar (umezu) used to dye umeboshi (sour plum pickles). When fresh ginger roots are available, thinly slice them and sprinkle salt over and leave for about a half day. Dry the ginger slices with paper towels and spread them on bamboo mats or baskets. Dry them under the sun for about one day. Put the ginger slices in a sterilized container/jar and pour red umezu. Cover the jar and store it in the refrigerator.