In this task, you have to generate the title of the recipe given its required ingredients and directions.

ingredients: '2 tablespoons olive oil', '1 tablespoon red wine vinegar', '1 tablespoon balsamic vinegar', '1 tablespoon Dijon mustard', '1 teaspoon crumbled dried tarragon', 'salt and pepper', '1 tablespoon chopped fresh chives or 1 tablespoon green onion top', '12 lb mushroom, sliced', '1 bunch watercress or 1 bunch butter lettuce',<sep> directions: 'For the dressing, mix together the oil, vinegars, mustard, tarragon, salt and pepper, and chives.', 'Add the mushrooms to the dressing, mixing lightly.', 'Add several sprigs of watercress.', 'Chill briefly.', 'Arrange the remaining watercress or butter lettuce on a platter and and mound the mushroom salad on top.'
Mushrooms and Watercress in Mustard Dressing