1/2 cup low-fat buttermilk
1/3 cup best foods mayonnaise (I think this brand is much better than others)
1/3 cup low-fat sour cream
1/3 cup Parmesan, grated
4 Tbsp. basil pesto
1. Whisk all ingredients together in a bowl until well blended.
2. Pour into a container to save in the fridge.
3. Dress anything you like with this delicious dressing!