How to Make It
Wash, dry, and mix red and green grapes, leaving them whole.
Mix together sour cream, cream cheese, vanilla, and sugar until smooth.
Alternate grapes and sour cream mixture layers in a glass bowl. There should be three layers of sour cream mixutre and two layers of grapes - beginning and ending with sour cream mixture.
Top with chooped pecan and brown sugar mixture. Best if chilled over night. No need to mix the dish before serving.