My recipe for mustardy green beans nods to a classic French green-bean salad, but has a few welcome additions, said Ben Lippett. The pro move here is to add crème fraîche to the dressing: the dairy cuts the sharpness of the vinaigrette beautifully, rounds out the tarragon flavour, and gives everything a punch of lactic acidity.
Ingredients (serves 4)
400g mixed long beans; green, yellow, runner or piattoni
50g toasted hazelnuts
4 spring onions
20g dill
250g cooked beluga or puy lentils
zest of 1 lemon
60g manchego cheese
25g Dijon mustard
20g wholegrain mustard
35ml white-wine vinegar
25ml olive oil
25ml neutral oil
5-10g fresh tarragon
50-80g full-fat crème fraîche
fine sea salt
black pepper
Method
Start by making the dressing. Put the mustards and vinegar in a bowl alo