Use a little butter to grease a 20cm/8in springform cake tin (about 7cm/2¾in deep). Heat 25g/1oz of the butter in ... Mix the reserved milk with the cream and pour over the filling.

Taste, season with salt and add a more rum if needed. When you are ready to fry the ice cream, heat the oil in a deep-fat fryer to 190C (CAUTION: hot oil can be dangerous. Do not leave unattended.) ...