Chicken A La King - cooking recipe

Ingredients

12 ounces chicken, cooked (in fairly large cubes)
2 ounces butter
3 tablespoons flour
450 ml milk
1 stalk celery, sliced
2 ounces button mushrooms, sliced
1/4 cup green pepper, deseeded & chopped
1 cup canned pimiento, chopped
salt
black pepper, freshly ground
2 egg yolks
2 tablespoons double cream
1 tablespoon Worcestershire sauce
to taste parsley, Chopped

Preparation

Melt 1 1/2 ozs butter, add the flour and cook for 2 to 3 minutes, stirring.
Gradually add milk and cook, stirring, until thick and smooth.
Melt the remaining butter and saute sliced celery, button mushrooms and chopped pepper until soft but not coloured.
Add celery, mushrooms, pepper, chicken and pimiento to the sauce and heat through.
Season to taste. Combine the egg yolks, double cream and Worcestershire sauce. Add to the chicken mixture and heat through.
Transfer to a serving dish and sprinkle with chopped parsley.