Creamy Fruit Salad

Bahan-bahan (8 porsi)

• 1 pound red grapes, sliced in half lengthwise ((about 4 cups))
• 2 medium bananas, sliced thin ((about 2 cups))
• 2 medium granny smith apples, chopped small ((about 2 cups))
• 6 ounces blueberries ((about 1 cup))
• 1 cup sour cream
• 3 tablespoons sugar
• 1 tsp vanilla extract
• 1 cup chopped pecans or sliced almonds