POR KWAN Tom Yum Paste is an instant hot and sour Thai soup base used to make classic Tom Yum soup (a staple spicy and sour Thai soup). It contains authentic Thai ingredients like lemongrass, galangal, kaffir lime leaves, chilli, dried shrimp, and lime, blended into a paste. To prepare the soup, simply add the paste to boiling water or stock and include your choice of seafood, chicken, or vegetables. It offers a zesty, aromatic, spicy, and sour flavor characteristic of traditional Tom Yum.