Peanut Butter Dip

2 cups skim milk
1/2 cup light sour cream
1 (3.4 oz) pkg instant vanilla pudding
1 cup creamy peanut butter
1/3 cup sugar

Combine milk, sour cream and pudding mix. Whisk until smooth. Stir peanut butter and sugar into mixture. Mix until well blended. Serve with sliced apples or banana chunks.

(I know it sounds strange, but it is SO YUMMY!)