Finely chopped onions, carrots and pepper sauté just to change color. Add turmeric, rice, half a bouillon cube and crumbled feta cheese. A mixture with a density of mince. Season with pepper. Cleaned of stumps mushrooms are filled with the mixture and stick two by two. Get the ball rolled as dolmas in smeared with butter and cut filo pastry sheets and stacked in an oiled tray. Sprinkle with melted butter and cumin and bake. Baked balls pour 1 cup vegetable broth and cover with a towel for a while to absorb the flavor of the broth.