Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  pound         shrimp -- shelled and cleaned
   4      cups          water
     1/2  cup           straw mushrooms -- canned
   5                    kaffir lime leaves
   6      tablespoons   lime juice
   6      tablespoons   fish sauce, squid brand
   1      stalk         lemon grass -- cut in 1"lengths
                         -- lower 1/3 portion
   1                    golonga root -- sliced
   4      stalks        green onions -- chopped
     1/4  cup           fresh cilantro -- chopped
                        thai chili peppers -- optional
     1/4  teaspoon      chili in oil

Preparation:

Shell shrimp or prawns(preferred) and reserve shells. Rinse prawns and shells. Place shells in a pot with the 4 cups water. Bring to a boil. Strain stock and discard shells. Add lime leaves, golonga, and lemon grass to stock and simmer for awhile. Add fish sauce, cook a few minutes more. Add shrimp and do not stir. Add chili oil, Add mushrooms. Put lime juice in bowl add soup and garnish with cilantro, chili peppers, and onions.