Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      medium        onions -- peeled
   2      cups          [nonfat] plain yoghurt
   1                    lemon juice or rice vinegar
   1                    sugar
   1                    pepper to taste
   2      tablespoons   ground cumin seeds
   2      tablespoons   ground coriander seeds
   1      teaspoon      garam masala
     1/2  teaspoon      cayenne pepper or -- up to 3/4
                        chili paste
   2      teaspoons     fresh ground ginger and
                        garlic paste
   1                    chopped cilantro to taste
     1/2  teaspoon      turmeric

Preparation:

Liquefy all ingredients in blender. Simmer until thickened slightly and flavor is set. Use as a marinade for kabobs or any meat or fish. Very good with rice.