c("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."
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