To dress a salad

This is the only vinaigrette recipe you need, for any salad you care to name. An entrepreneurial Frenchman in London, the Chevalier d’Albignac, popularised the idea of ‘French dressing’ throughout English society. You can change the vinegar (white or red wine vinegar, sherry, balsamic or lemon juice), the lemon rind (to orange rind, olives or garlic), and the mustard (to eschalots, anchovies or yoghurt), but it’s still the only recipe you’ll ever need.