Step 1

Insert the butterfly into the Thermomix bowl. Add the eggs and caster sugar and mix for 45 seconds, Speed 3.

Step 2

Add the thickened cream, full fat milk, vanilla extract and nutmeg and cook for 9 minutes, 70 degrees, Speed 3.

Step 3

Add the brandy or rum and mix for a further 20 seconds, Speed 3 (see notes).

Step 4

Serve immediately.