French Dressing

• 55 ml wine vinegar
• 175 ml olive oil or a mixture of olive and other oils, e.g.

Put all the ingredients into a blender and run at medium speed for about 1 minute, or mix oil and vinegar in a bowl, add mustard, salt, freshly ground pepper and mashed garlic. Chop the parsley, spring onion and watercress finely and add in. Whisk before serving.