Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  cup           tomato juice
   2      tablespoons   lemon juice
     1/2  teaspoon      horseradish
   1      tablespoon    onion -- chopped finely
                        salt and pepper

Preparation:

Combine ingredients. Refrigerate. Shake well before serving.