Creamy Grape Dessert

Bahan-bahan (8 porsi)

• 1 lb green seedless grapes (washed and dried well)
• 1 lb red seedless grapes (washed and dried well)
• 8 oz fat free Chobani Greek yogurt
• 4 oz light cream cheese (softened)
• 1/4 cup agave (or sugar)
• 1 teaspoon vanilla extract
• 2 tbsp brown sugar (packed)
• 1/2 cup chopped walnuts (or pecans)