I didn’t think I’d squeeze in another post this week, but I feel the need to share this amazing potato salad recipe.  It is the perfect side dish at a barbecue (hello, July 4th!) or alongside yesterday’s Sausage, Pepper and Onion Sandwiches. Years ago I converted from mayonnaise-based potato salads and switched to potato salad with a vinaigrette and have never looked back.…