Make the dough

• Mix the flour, sugar, yeast and salt in a bowl.
• Add the lukewarm milk, melted butter and beaten egg, then knead into a soft dough.
• Cover and leave to rise until doubled in size.

Roll out and fill

• Roll the dough out on a floured surface into a large rectangle.
• Spread the Nutella evenly over the dough and scatter over the chopped hazelnuts.

Shape the rolls

• Roll the dough up from the long side into a log.
• Cut into even slices and place them in a baking dish.

Second rise

• Cover the rolls and leave to prove until puffy.

Bake

• Bake in a preheated oven at 180 °C until golden and cooked through.

Finish

• Leave to cool slightly, then dust with icing sugar before serving.