Arrange bread in single layer in a buttered baking dish, slightly overlapping.
Place eggs, sugar, egg nog or buttermilk, nutmeg, cinnamon and melted butter into the Thermomix bowl and blend 10 sec/speed 8.
Pour mix over bread.
Cover with baking paper pushed right onto the surface of the custard, wrap and refrigerate overnight or up to 2 days.
Preheat oven to 180℃ fan forced.
Bake 20-30 minutes until golden in colour.
Serve piping hot with all the garnishes you wish.