I love a good lemon drizzle! For an extra-indulgent spin on the classic cake, this one is layered with lemon curd and a lemon buttercream filling. The lemon drizzle infuses the delicate sponge with its intense flavour and makes it deliciously moist. You can use orange instead, or any other citrus fruit. Find more recipes like this in my new book 'Celebrate'.8-10 SlicesIngredients175g unsalted butter, softened, plus extra to grease175g caster sugarFinely grated zest and juice of 2 lemons3 medium