Cut ginger. Red pickled ginger. This popular garnish is made from ginger root which is cut into wafer-thin slices and pickled in salt and then again in a vinegar mixture. Traditionally red perilla is used to produce its characteristic deep red colour. It is served with sushi and such dishes as okonomiyaki (fried-batter "pancakes" mixed with a wide variety of vegetables, seafood or meats) and with rice dishes.