Cumberland Rum Butter

I was born and bred in Cumberland (or Cumbria as it is now called, which you will perhaps know as the English Lake District). Rum Butter is a traditional Cumbrian dish which is served at Christmas time or any festive occasion especially babies Baptisms. When the rum butter dish was empty, silver coins were placed in it as a gift for the baby. This is my Mothers recipe which was handed down from her Mother....