3 style potato salad flay Recipes

red wine vinegar, sugar, mustard seeds, kosher salt, red onion, halved and thinly sliced, new red potatoes, hard-cooked eggs, coarsely chopped, roasted red pepper, finely diced, mayonnaise, dijon mustard, whole-grain mustard, freshly ground black pepper, roughly chopped fresh flat-leaf parsley or cilantro

new potatoes (red and yellow), scrubbed, olive oil, divided, salt, freshly ground black pepper, white wine vinegar, whole grain mustard, dijon mustard, red onion, halved and thinly sliced, cornichon, finely diced, capers, drained, coarsely chopped fresh chervil, for garnish