Can I substitute galangal for ginger?
Ginger is more pungent, so you can use a bit more galangal when substituting (for instance, if the recipe calls for 1 tablespoon ginger, substitute 1 to 1¼ tablespoon galangal). Substitute grated or minced galangal for fresh ginger in equal parts and adjust to taste if you want it stronger.
What is calanga?
Galanga Root (kah): Galanga, called kah in Thai and known variously as “galangal” and “laos root,” is an immensely pungent and fiery rhizome related to the common ginger but with a personality distinctly its own. … In short, it is to Thai cooking what common ginger is to Chinese cooking.