Galangal is related to and closely resembles ginger but has a somewhat milder less peppery flavor. Galangal is used in Thai soups and curries where it passes on its delicious citrus pine and ginger flavors. As a spice it is relatively multipurpose since it is milder than ginger and is less overpowering. | Galangal root has a flavor akin to citrus and pine. Galangal is often used to spice curries.