After Scrooge has reformed his life at the end of Charles Dickens' A Christmas Carol, he proposes getting together with Bob Cratchit for some "smoking bishop", which was:

Mulled wines were popular festive drinks in 19th-century London.  They were undoubtedly much safer to drink than the untreated water.  To make Smoking Bishop, take 6 bitter oranges and stick them with 6 cloves each.  Put them in a bowl, cover with (cheap) red wine, and set in a warm place for a day.  Squeeze the oranges into the wine and strain.  Add port. Heat, and serve with a cinnamon stick.