To prepare the foundations of sifted flour, to it add the sugar, salt, eggs and diced butter at room temperature. RUB with your fingers or mix with a mixer attachments for the test. It turns out the mass in the form of crumbs.

Gather the dough with your hands into a ball, wrap with film and refrigerate for half an hour.

While the dough cools, prepare the filling. Mix ricotta, sugar, vanilla sugar, eggs and starch until smooth. Whip not need filling when baking the formed bubbles. Finally add the orange zest and chocolate.

Chilled divide the dough into 2 unequal parts. A large part of the roll out and vystelim the bottom and sides of a split form, helping hands, since the dough when cutting very eager. From the remnants of dough cut into strips and spread on top of the filling crosswise. Bake in a preheated 180 degree oven for 30-40 minutes. The filling needs to set and a lattice of dough - brown.

Take out of the oven and leave the cake for 20-30 minutes to rest before you get out of shape. Leave to cool - the filling needs to fully harden, and the pie tastes better after cool down.

Crostata cooled sprinkle with icing sugar. Bon appetit!