Beat cream cheese, sour cream with electric mixer until smooth.
8 ounces cream cheese, 1 cup sour cream
Add sugar, and vanilla until incorporated.
1/4 cup granulated sugar, 2 teaspoon vanilla
Remove stems from grapes, and fold into the cream cheese mixture. Fold until grapes are covered in mixture. Add pecans. Refrigerate for one hour or overnight.
2 pounds green grapes, 2 pounds red grapes, 1/2 cup pecans
Just before serving, sprinkle with brown sugar and pecans.
1/4 cup brown sugar