Choose your substitute based on the dish type and desired flavor match. Use the decision guide to narrow your options by aroma priority and color constraints.
Prepare the substitute as directed: grate and mince fresh galangal, measure powders by weight, or combine ginger powder with a pinch of lime zest for the flavor-brightening option.
Apply the substitution ratio carefully. Start with the stated 1:1 amount by weight and taste before adding more.
Taste and adjust seasoning. Some substitutes shift flavor or texture slightly; add black pepper with turmeric or reduce lime juice when using lime zest.