Bitter Orange Marmalade

Although admittedly difficult to track down (they are usually available in the market only for a fleeting moment in midwinter), bitter oranges (also called bigarade or Seville oranges) are well worth seeking if you are a lover of the best of the classic marmalades.

Early trade between Spain and Scotland brought the Seville orange to the British Isles, where the Scottish genius for preserving took over. We have read that the oranges were packed in water and sometimes floated i