1. Put the sherry, spring onions and ginger in a bowl.
2. Add chicken and toss well to coat. Leave to marinate in the bowl for 15 minutes.
3. Heat the oil in a wok or frying pan.
4. Add celery, mushrooms and the green pepper. Stir-fry for one minute.
5. Add the chicken and marinade and cook for 3 minutes.
6. Stir in the soy sauce and lemon rind. Cook for one minute.
7. Garnish with lemon slices and serve hot.
8. Chinese Lemon Chicken is ready.