Ingredients

1/3 cup low-fat buttermilk 

1/3 cup reduced-fat sour cream 

1 tablespoon cider vinegar 

1 small garlic clove, pressed or very finely chopped 

1 tablespoon minced scallion 

Coarse salt and ground pepper 

Preparation

In a medium bowl, whisk together buttermilk, sour cream, and vinegar; stir in garlic and scallion. Season with salt and pepper.