Heat oven to 200C/180C fan/gas 6.
Mix the pudding, mascarpone and
Baileys. Lay out a sheet of filo on a large
flat baking tray, brush with some melted
butter and lay another sheet on top.
Repeat with more butter and filo until
you have 4 layers.
Place the filling in a log in the centre
and brush the border with butter. Roll up
to enclose the filling, then brush with the
remaining butter. Can be chilled for 1 day
until ready to bake. Bake for 20-25 mins
until golden brown, dust with icing sugar
and serve warm with cream or custard.