Flour and baking powder are mix them and add the melted butter. Eggs froth and sugar mixture is added to the flour with milk. Oranges cut into cubes (pieces), the sheet of an orange grate and everything is added to the mix with finely chopped walnuts. Mix well and pour into greased and sprinkled with flour pan. Bake for about an hour at 180 C. When removed from the tray, cake decorated with candied oranges.