Take the pastry out of the fridge 20 minutes before you want to use it
Preheat your oven to 200C/180C Fan/350F/Gas Mark 6
Sprinkle your work surface with a little Demerara sugar
Unroll the pastry on top of the sugar and roll lightly with a rolling pin so the sugar sticks to the underside
Spread with the Nutella
Roll one long side of the pastry to the middle, repeat with the other long side until they meet
Wrap in cling film and refrigerate for 20 minutes
Slice into pieces about 1 - 11/2 cams thick
Place on a greased baking sheet with a gap between them to allow the pastry to do its puffing
Brush with a little dairy free milk
Bake in the preheated oven for 8-10 minutes until puffed and golden