Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  pound         tomatillos
   1                    garlic clove
   4                    chiles serranos
     1/3  cup           water
   2      tablespoons   white onions -- chopped
   2      tablespoons   cilantro -- chopped

Preparation:

Remove the paper husks from the tomatillos. Rinse thoroughly. Chop coarsely. Add the tomatillos to the blender along with the garlic, chiles, salt and water. Pulse until the ingredients are chopped finely but not blended. Stir in the onion and coriander. Serve slightly warmed.