Forget gloppy mayonnaise - this German-style potato salad is tangy with shallot and white wine vinegar. Each serving provides 530kcal, 6g protein, 48g carbohydrate (of which 6g sugars), 33g fat ...
Then serve on top of eggs or asparagus. Cheap vinegar, produced from inferior white wine, will give poor results to your finished dish. Buy good-quality, aromatic vinegar with a complex flavour.