Christmas parsley sauce

Method

• step 1

  Melt butter in a small saucepan,then add the flour and stir well. Cook for a further 2-3 minutes. Gradually stir in the milk and 75ml of the strained liquor from the gammon.

• step 2

  Bring to the boil, lower the heat and simmer for 6-8 minutes, stirring every so often. The sauce should be fairly thick.

• step 3

  Stir the chopped parsley, cream and a squeeze of lemon juice into the sauce and then season with nutmef