In a bowl,mix the dry ingredients,then add butter and egg then water and knead until incorporated,then leave to rest for some minutes

Cut the dough into four equal size and then roll in a circular shape

Lay each circular roll on a baking tray with a sheet and rub the Nutella thoroughly using a spoon,then cover with the second circular roll of dough,then rub the second layer,then the third layer and cover with the last layer of dough,make sure they become the same size

On the dough layers,place a cup or something circular at the middle then cut at intervals, starting from where the cup was placed to the edge of the dough

Place in the oven for 30 minutes