1 kg frozen whole French beans
500 g button mushrooms
juice of 1/2 lemon
1/2 small onion, grated
a little ground coriander
3 tbs chopped parsley
300 ml low-calorie french dressing
1. Wipe the mushrooms with a clean damp cloth and slice finely. Sprinkle with lemon juice.
2. Add the onion, ground coriander and parsley to the French dressing, then pour over the mushrooms. Leave to marinate for 1 or 2 hours, turning gently from time to time.
3. Cook the beans in boiling salted water until just tender, then cool under running water. Drain thoroughly.
4. Toss the mushroom mixture carefully with the French beans and serve.