From advice on stacking a tier cake to piping flowers, creating the perfect flavour pairing and avoiding a curdled cake batter or buttercream, Rahul shares his scientific knowhow on achieving sublime bakes - as well as advice on how to fix things when they go wrong. Featuring everything from mirror glaze, meringue, genoise and caramel to drip, fault-line and geode cakes, these are jaw-droppingly beautiful bakes that will wow family and friends every time.

Winner of The Great British Bake Off 2018, Rahul won hearts as he quietly baked his way to glory with some of the most spectacular creations the show has ever seen. A research scientist at the University of Sheffield, he continues to spend his spare time baking and writes a regular column for The Times magazine.