2 1/2 Cups Plain Yogurt 1/2 Cup Sour Cream 2/3 Cups Sugar 1/2 Cup Ice Water 8-10 Ice Cube (Crushed or Partially Cracked) | Place the yogurt, sour cream and sugar in a mixing bowel and whisk with a balloon whip until frothy. Add the ice water and again whisk briefly. Stir in the crushed ice. Pour the beverage into 4 chilled glasses and serve immediately. |