Orange, ricotta and polenta cake from Bitter Honey by Letitia Clark (Hardie Grant). Photo: Matt Russell/PA

How to make fluffy and light blood orange cake
"A perfect cake, this is simultaneously fluffy, rich and light. The polenta gives it a lovely crunchiness at the edges. It will stay soft and sticky for days, though it is unlikely it will last that long - it is especially delicious for breakfast with an espresso," says food writer Letitia Clark.