Samlar Machu is a Cambodian soup with a sour note from lime and tamarind. The flavor base is the traditional Cambodian kroeung spice blend including lemongrass, galangal, and makrut lime leaves. Adapt the recipe to your taste with chicken, fish, or tofu, and vegetables of your choice. Ingredients: Lemongrass, tamarind, galangal, turmeric, chili, makrut lime Free U.S. shipping.