To the washed and chopped spinach, add the potatoes, boiled and mashed crushed, the cottage cheese and three eggs. The mixture add salt to taste and mix well. Flour, mixed yogurt, 1 egg and a little salt knead dough Banichan. Two rolled sheets, one of which must be larger than the bottom of the tray so as to wrap therein the filling. In a greased with butter tray is placed in the largest sheet and sprinkle with butter. Spread the filling on top and bends to the ends of the leaves. Place a second sheet and sprinkle with butter. The banitsa bake in medium high heat. As a bake one side, turns to brown, and on the other side. During baking it is brushed with butter top and sides. After baking, cover with a towel to smother and soft. Serve hot with yogurt.