Ginkgo nuts. The fruit of the mature female ginkgo tree which produces white nuts which have a mild flavour. They can be eaten raw or grilled or deep-fried, turning green when cooked, but the white shells and thin outer skins are removed before cooking. Ginkgo nuts appear in nabe, stir-fried, deep-fried and custard dishes. Canned nuts are pre-shelled, skinned and parboiled. They are relatively high in vitamin C and carotene.