Grape Salad

4 lbs green seedless grapes
8 ounces sour cream
8 ounces cream cheese, softened
1/2 cup granulated sugar
1 teaspoon vanilla extract, to taste

Topping

1 cup brown sugar, packed, to taste
1 cup crushed pecans, to taste

Wash and stem grapes.  Set aside.  Mix sour cream, cream cheese, white sugar and vanilla by hand until blended.  Stir grapes into mixture, and pour in large serving bowl.
For topping: Combine brown sugar, and crushed pecans.
Sprinkle over top of grapes to cover completely.  Chill overnight.

I went to a Christmas party and enjoyed greatly a grape salad that was served.  I didn't get a chance to get the recipe but this is close.  It was really light and perfect for spring.