Chicken a la king

Ingredients:
4 Chicken joints, cooked, skinned and coarsley chopped
120g mushrooms, thinly sliced
1 green pepper, seeded and thinly sliced
5tbs butter
1tbs flour
2 egg yolks
275ml chicken stock
150ml milk
150ml single cream
salt and pepper to taste

Methods:
Fry the green pepper in the butter until soft
Add mushrooms and fry until tender
Remove pan from heat, blend in the flour and then gradually stir in the chicken stock and then the milk
Return the pan to the heat and bring mixture to the boil, stirring continuously until thickened
Add salt, pepper and chicken and heat through, about 10 minutes
Beat cream and egg yolks lightly in a bowl, stir some of the hot sauce into it, then stir mixture into the sauce and heat, but do not boil.
Serve immediately with boiled rice.