Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      pound         crabmeat
   3      tablespoons   chopped onion
                        salt and pepper
   4      ounces        olive oil
   4      ounces        vinegar
   4      ounces        ice water

Preparation:

Put onions in bowl, add meat, salt, and pepper. Then oil, vinegar, and ice water in that order, let set at least 1 hour before serving.