6. Turn tin upside down for sponge cakes.
When you tin has cooled enough to handle, turn it upside down on a wire rack, still in the tin. It will stay nicely moist, as the steam will rise up into the cake. As soon as your cake is cool enough place it in an airtight container, to stop it drying out. For larger cakes try tinfoil and clingfilm, or simply turn the tin over onto a clean surface, such as a cakeboard until you´re ready to work on it.