01 -
Put the potatoes in a medium saucepan and cover with cold water by about 2 inches. Bring to a boil over high heat, add 1 tablespoon of kosher salt, and cook the potatoes until tender, about 15-20 minutes or until fork tender. Drain well.
02 -
As soon as the potatoes are cool enough to handle, cut them in half and place them in a large mixing bowl. While the potatoes are still hot, sprinkle them with 3 tablespoons of the vinegar and let cool to absorb the vinegar.
03 -
In a small bowl, whisk the olive oil, remaining 2 tablespoons of vinegar, Dijon mustard, kosher salt, and pepper.
04 -
Drizzle the dressing over the potato mixture and gently toss. Add the sliced onion and minced herbs and toss again. Season with more salt and pepper to taste.
05 -
Serve warm, at room temperature, or chilled. Keeps in the refrigerator for 3-4 days.