Ginger is the underground stem (rhizome) of a plant. Has a strong hot flavor and is used in many preparation. This is available as fresh or dried and in powdered form. Select fresh ginger that is firm and not shriveled. Wrap in freezer bag and store in refrigerator for weeks. How to Use :- Peel off the outer skin and grate, or finely chop or ground with other spices in mixer.