Combine the cheese, flour, butter and salt (to taste); refrigerate for 1 hour. At this time, prepare the filling: fry in olive oil onions and garlic, cut into small cubes, until Golden brown. Add the beef and fry until cooked, season with salt and pepper and when cooled, add the greens.

Roll out the dough thickness of about 0.5 cm, put on oiled baking sheet. Put in the middle of the filling, brush with cream and sprinkle with grated cheese.

Put in a preheated 200 degree oven for 30 minutes.