Yeast pour into a bowl, slipping 1.5 tbsp sugar, 2 tbsp flour and 100 ml warm milk. Stir, cover and leave for 15 minutes. Melt butter, leave to cool. Eggs to mix with sugar, lightly beat with a whisk. In approaching the dough add the egg-sugar mixture, melted butter, 100 ml of warm milk, sift the flour, add the orange zest. Knead not tight dough. Cover the dough with a towel and leave in a warm place for 1 hour.

Ready to press down dough and divide into 2 parts. One part roll out to make round flat cakes with a thickness of 7 mm. Circular in shape ( 25 cm) lay a parchment paper and put the bottom cake. The edges of the tortillas wrapped inside, forming a rim.

Apply an even layer of stuffing. The filling can be what you want.

From the second part of the test roll out an oval or rectangular formation, with a thickness of 2-3 mm and a pizza cutter to cut into strips of width 1 cm Each strip to tighten the spiral.

Put a spiral on the toppings, starting from the center in a circle, filling them the entire surface of the pie.

Beat the yolk and spread it over the surface of the pie. Leave for 20 minutes. Bake in preheated oven for 30 minutes.