You can regrow garlic sprouts from a single garlic clove. Just place the garlic cloves in a small cup with a little water and let it grow. The garlic sprouts have gentle flavor than garlic and can be added to pasta, salads and other dishes.
Dream State: Grow Your Own Ginger At Home - start it indoors early in the season, as a houseplant. Then move outdoors into your garden in the spring. Every "finger" of the old root will produce a new ginger root.