• 1 egg
• 1 Tbs milk
• 1 puff pastry sheet
Line two baking sheets with parchment paper and lightly flour your work surface. Lay the pastry sheet then lightly dust top with flour.
Roll out dough to a thickness of 5 mm to obtain a circle. Using a cutting wheel or knife, cut 12 triangles and put on the base of each triangle a teaspoon of nutella. Then Start to roll the dough base until the end, as shown.
Beat the egg and milk in a small bowl and brush the surface of your croissant with the egg-milk mixture. Cook them in the oven at 350° degrees F for 15-20 minutes.