In this video, you’ll see how to make creamy ranch dressing. To form the rich, creamy base, this recipe combines mayonnaise and sour cream (or crème fraiche) with a splash of buttermilk. It’s the combination of buttermilk and sour cream or crème fraiche that really makes it! Then it’s time for the top-secret seasonings. This dressing is so much better than anything out of a bottle. And it’s a great base for dips. See how Chef John does it! Watch the video, then get the recipe for Chef John's Ranch Dressing. Make sure to chill this dressing for at least 4 hours before serving.