Cambridge Gingerbread

⅓ cup butter

⅔ cup boiling water

1 cup molasses

1 egg

2¾ cups flour

1½ teaspoons soda

½ teaspoon salt

1 teaspoon cinnamon

1 teaspoon ginger

¼ teaspoon clove

Melt butter in water, add molasses, egg well beaten, and dry ingredients mixed and sifted. Bake in a buttered shallow pan.