By Lulu Grimes
Genoise is a light, airy sponge-like cake that relies on air beaten into the eggs to make it rise. A genoise is not a true sponge cake, as it is made with butter. Genoise is traditionally made in a moule-à-manqué mould, a French cake tin with slightly sloping sides. The cake can be flavoured with chocolate, almonds or liqueurs. Make genoise on the day you want to eat it, or freeze it straight away as it doesn’t have enough fat to make it last for more than 2 to 3 days.