Cream butter, sugar, and molasses until light; add egg and beat until light and fluffy. Add sifted dry ingredients, 3/4 cup of the pecans, and dates. Mix well. Put batter in a greased and floured 9-inch square pan. Bake at 350° for about 30 to 35 minutes. Make cinnamon frosting. While bars are still warm, drizzle with frosting and sprinkle with remaining chopped pecans. Cool in pan then cut into bars.
Mix together confectioners' sugar, milk, salt, and cinnamon until smooth.
Makes about 16 bars
Calories per bar: 254
Fat per bar: 11.1g