INGREDIENTS
3 lb
red potatoes
5 tbsp
white wine vinegar (divided)
1/2 cup
extra virgin olive oil
2 tsp
Dijon mustard
1 tsp
kosher salt
1/2 tsp
freshly ground black pepper
1/2
small red onion (sliced, about 1 cup)
2 tbsp
each minced fresh dill, fresh basil, and Italian flat leaf parsley