Amchur is unripe or green mangoes, sliced and sun dried. The spice adds sour taste like tamarind and is used as either whole or ground. It has qualities as lemon or lime juice. If you do not have amchur, substitute three tablespoons of lemon or lime juice for one teaspoon of amchur. The use of amchur is confined chiefly to Indian cookery in curries, soups, chutneys, and marinades.
Tips for Storing & using Amchur
Amchur is available in powder form. Amchoor should be stored in airtight containers in a cool dark place. It loses its potency due to heat, light, and air.
Do not store amchoor, mango powder in refrigerator, humidity will destroy it.