Use a tin with either a springform (unclippable sides) or removable base. Warm a sharp, thin knife under a hot tap and then dry it. Use this to run around the outside of the cake, inside the tin, before removing it. Remove the knife and wipe as you work your way around the cake. If you have a removable base, sit the tin on a tall glass and carefully press down so the sides of the tin can slip down lower than the cheesecake and you can easily remove it. Once it’s out of the tin, it will start to lose its shape a little, so I like to do this no more than 3 hours before serving it. Keep it uncovered in the fridge on a plate or serving platter. You can decorate then or just before serving.