Tarragon Vinegar Dressing

(SERVES 4)

• 60 ml/4 tbsp white wine vinegar
• 30 ml/2 tbsp chopped tarragon
• A few grins of artificial sweetener
• 2.5 ml/ ½ tsp Dijon mustard
• 30 ml/2 tbsp water
• Salt and freshly ground black pepper

Put the vinegar in a screw-topped jar white the tarragon, sweetener to taste, mustard and water. Add a very little salt and good grinding of pepper. Shake well and leave to stand for at least 1 hour before serving.