By Elisabeth Luard
Make this spicy cut-and-come-again cake with bitter Seville oranges, as used for marmalade: these are the ancestors of all our citrus cultivars. You’ll find them in season and in the shops from mid-January to the end of February.
Preheat the oven to 180°C/350°F/Gas mark 4.
Butter a large loaf tin and line with buttered greaseproof paper.
Sift the flour into a roomy bowl with the salt and spices, then mix in the dates and walnuts. Beat the butter with the sugar till pale and fluffy. Crack an egg