Step 1

Place potatoes in a pot of cold water and bring to a boil. Let cook for about 20 minutes.

Step 2

While the potatoes are cooking, prepare the dressing: Put the diced onions in a bowl, add the vegetable stock powder, and pour in hot water.

Step 3

Add the oil, vinegar, mustard, salt, and a little fresh pepper. Stir.

Step 4

When the potatoes are done (prick them with a fork to see if they're done), rinse them briefly in cold water. Then peel and slice while still warm, but not too thin (otherwise they all break).

Step 5

Pour the warm dressing over the warm potatoes, stir gently, and let the potato salad sit at room temperature for at least an hour.

Step 6

Sprinkle with fresh chives before serving.