Mash bananas and mix with milk. Mix eggs and sugar until the sugar is fully dissolved.
Add cream and rum and mix well. (It will become smooth if passed through a strainer). Pour into the pots evenly.
Fill the base of the appliance with water up to the max level. Plug in the appliance; click twice on OK to select the dairy dessert mode then click on OK to confirm your choice. Adjust the cooking time to 25 min using the keys then confirm your choice by clicking on OK.
When cooking is complete, leave to cool, put the lids on the pots and refrigerate. Cut and decorate with banana slices.