2 1/2 lb. seedless grapes (red and white)
  1 lb. container sour cream
  1 8 oz. cream cheese, 
  1/2 c. sugar
  2 tsp. vanilla
½ cup nuts, finely chopped
Blend cream cheese, sour cream, vanilla, and sugar together. Stir into
the grapes and nuts. Refrigerate for best flavor.