Once the potatoes are evenly roasted and fully cooled ... such as chopped radish or red onion. Looking for more secret ingredients to upgrade your potato salad? Consider incorporating a savory ...

While the potatoes cook, make the rest of the salad. In a large mixing bowl, combine the soured cream, mayonnaise, Dijon mustard, honey, vinegar, garlic, red onion and cornichons. Season with salt ...