Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2 1/2  cups          plain yogurt
     1/4  cup           half-and-half
   1      teaspoon      salt
     1/4  teaspoon      black pepper
   2      cups          boiled -- diced potatoes
   1      teaspoon      cumin powder
   2      tablespoons   fresh chopped coriander -- or cilantro
   1                    green chile -- sliced (opt)

Preparation:

Mix the yogurt, half-and-half, salt and black pepper in a blender for 20-30 seconds. In a bowl, mix the diced potatoes with the yogurt mixture. Garnish with the cumin powder, coriander and green chile. Chill for about 30 minutes before serving.