"Why this recipe works:Buttermilk gives coleslaw a great tang, but it turns into a watery sauce as the cabbage sits. For a creamy buttermilk coleslaw recipe that kept the tang but also featured a consistently creamy sauce, we salted the shredded cabbage to remove excess water. Then we added a little mayonnaise to our recipe to give the sauce some body and thicken the dressing. And finally, to make up for any tanginess that the mayonnaise dulled, we added a bit of sour cream to our Creamy Buttermilk Coleslaw...."