Boil a portion of potatoes and when cool enough to handle chop/slice. Mix a portion of quark-linseed oil cream with the juice of a lemon and 1 tbsp of apple cider vinegar. Add a a finely sliced onion, chopped chives, parsley and/or dill, black pepper and a pinch of salt and enough skimmed milk to made a creamy consistency. Mix into the chopped potatoes and sprinkle with paprika and/or a little cayenne pepper and chopped dill pickles.
Waxy potatoes have smooth, dense flesh that holds their shape well when cooked. They work well in salads or simply boiled. Key waxy varieties include Charlotte and Jersey Royals but if you can’t get any of those, don’t worry, it’ll still be great with any potato.