In her lovely book The Land Where Lemons Grow (2015), Helena Attlee watches Sicilian cooks making marmalade with both sweet and sour oranges, red grapefruit and clementines. She calls those British ...

This is based on a classic orange polenta cake. However, I find polenta (a type of cornmeal) can have a slightly gritty texture. I now use semolina instead – which is ground from hard durum wheat.