Avis’ book contains three orange marmalades and one apricot marmalade. Marmalades developed in the Tudor era as expensive fruit and sugar concoctions which could be moulded or cut into shapes. For a long time, they were made with quinces, but in the 17th century oranges became popular. It took another 100 years for orange marmalade to stop being stiff enough to cut into blocks. Sugar became cheaper in the Victorian era and marmalade
