A moist, gluten-free cake that delivers vibrant citrus flavours Add a dollop of crème fraîche or thick cream to serve Credit : Haarala Hamilton and Valerie Berry Diana Henry The Telegraph's award-winning cookery writer Diana Henry is the Telegraph’s much-loved cookery writer. She shares recipes each week, for everything from speedy family dinners to special menus that friends will remember for months. She is also a regular broadcaster on BBC Radio 4, and her journalism and recipe books, including Simple and How to Eat a Peach, are multi-award-winning. A mother of two sons, Diana can satisfy even the fussiest of eaters.    See more Published 21 May 2026 9:50am BST No rosemary? Use thyme, or make the syrup spicy with a cinnamon stick.…