Serve this take on potato salad with pork chops, fried chicken, or flank steak.
In a medium pot, bring potatoes to a boil over high in salted water and cook until tender when pierced with a knife, about 10 minutes. Meanwhile, in a large bowl, whisk together buttermilk, sour cream or Greek yogurt, and mayonnaise. Stir in fresh herbs, thyme, and garlic; season with salt and pepper. Drain potatoes and add to dressing. Toss to combine and serve immediately.