Classic Potato Salad

potato 50.0% , MAYONNAISE DRESSING 36.0% , salad cream 7.0% , cow's milk 3.5% , milk 1.8% , dijon mustard 0.9% , salt 0.4% , white pepper 0.2% , parsley 0.1% , allergens contains cow's milk 0.1% , egg 0.0% , Made in a factory that uses soya 0.0% , fish 0.0% , crustacean 0.0% , rye 0.0% , barley 0.0% , oat 0.0% , wheat 0.0% , gluten 0.0% , sesame seeds 0.0% , peanut 0.0% , tree nut 0.0%