Oranges are made into jam in many nations; in Britain, bitter Seville oranges are accustomed to make marmalade. Pretty much The entire Spanish manufacturing is exported to Britain for this goal. The whole fruit is Slash up and boiled with sugar; the pith contributes pectin, which will help the marmalade https://s3.eu-west-3.wasabisys.com/postitbailbonds/index.html