Leek cut into small pieces. Margarine melts. In a bowl, break two eggs and broken. They gradually add yogurt and melted margarine and continues to be broken. Flour and baking powder mixed into a bowl and pour parts in beaten eggs. Add finely chopped but leeks, seasoned with dried dill, savory, mint and red pepper and stir. Then the mixture is crushed in the feta cheese. Finally breaks and the third egg and mix well again. Pour into greased and floured pan. Börek was placed in a preheated 200 C oven and bake for 30 minutes.