Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  teaspoon      powdered mustard
     1/4  teaspoon      ground white pepper
   1      teaspoon      tomato paste
   7      tablespoons   salad oil
     1/3  cup           wine vinegar
   2      teaspoons     water
     1/2  teaspoon      finely chopped onion

Preparation:

Combine all ingredients in a jar and shake well or puree in a blender for smooth dressing.