Cook
the
potatoes, whole in their skins, in a large pan
of boiling
water for about 15 minutes, or until tender.
Drain
and refresh under cold running water, then drain
thoroughly and allow to cool.
Thickly slice the potatoes and place in a serving
bowl with the spring onions. Season with salt and
pepper to taste.
To make the dressing, stir together
the mayonnaise, cream and mustard. Spoon over the
salad and toss lightly to mix. Serve the salad
sprinkled with the snipped fresh chives.