Yorkshire Fettle, Rocket and Nectarine Salad

# Mix Dijon mustard and garlic with lemon juice. # Add balsamic vinegar and then the olive oil, season and put to one side. # Wipe the fruit and cut around the stone into orange-like segments and put in a bowl. # Carefully cut the Yorkshire Fettle into 1/2 inch cubes and add to the fruit along with stoned black olives. # Make brioche croutons 1/4 inch dice by frying in oil and butter and put to drain. # Put the salad leaves into a bowl with the rest of the ingredients. # Add half of the dressing and check for seasoning. # Carefully lay the salad onto serving plates and sprinkle with the rest of the dressing. # Top with chives and croutons.