Do NOT beat. Pour into greased 8 x 4 x 3 loaf tin. Better when one day old. Combine all ingredients except dates. Beat with electric mixer until smooth.
Arrange date slices in rows or in an attractive manner.
Pat lightly into batter. Bake at 350 degrees for 20-25 minutes, or until it tests done. Cool on rack. Dust lightly with sifted confectioners' sugar, if desired. Cut into desired sized pieces.