Prepare the pastry

• Preheat the oven to 200 °C.
• Unroll the puff pastry and cut it into triangles.

Fill and roll

• Spread a spoonful of Nutella at the wide base of each triangle.
• Roll each triangle from the base towards the tip to form a croissant.

Brush with egg wash

• Place the croissants on the baking tray lined with baking paper.
• Brush the tops with the beaten egg.

Bake

• Bake until puffed and golden brown.