Card Gingerbread

⅓ cup butter

⅓ cup brown sugar

1 egg

½ cup molasses

1¾ cups flour

½ tablespoon ginger

¾ teaspoon salt

½ teaspoon soda

¼ teaspoon cinnamon

Cream the butter, add sugar gradually, egg well beaten, molasses, and flour mixed and sifted with ginger, salt, soda, and cinnamon. Chill, roll in sheets to one-fourth inch in thickness, bake on a buttered sheet, and cut in squares.