For the base: Pour the flour on the counter, sprinkle salt on it and do well. In the well put diced cold butter, egg and water. Mix products quickly with your fingers and gradually knead flour. Once the dough is smooth, shape into a ball, flatten it and wrap in transparent foil. Put the dough for half an hour in the refrigerator. Brush with butter a shallow form of pie with curly walls - diameter 26 cm. Roll out dough on floured board with a larger diameter to cover the walls of the form. Transfer the dough to match the shape and on it. Worried nice walls. Pierce the dough on the bottom. Bake the base in a preheated oven at 190C degrees for 15 minutes. For the filling: Cook the broccoli in salted water 5 minutes then pour them with cold water. Shred them into small florets. Cut the mushrooms into small pieces and boil them until ready. Mix the cream the feta cheese, grated cheese, eggs, cream, salt and rosemary. Assembling: On the basis cooked sprinkle breadcrumbs. Top distributed cold broccoli and mushrooms. Pour in the egg mixture. Bake at 180C ° for 40 minutes.