Instructions
Lightly grease an 8-inch square cake pan.
Preheat the oven to 350 degrees.
Sift the flour, baking soda, ginger, cinnamon, allspice, mustard, black pepper and salt together into a bowl and set aside.
Beat the butter and brown sugar together with a hand mixer or electric mixer set on medium speed for or until the mixture is smooth and creamy.
Add the molasses and blend it in thoroughly, scraping down the sides of the bowl occasionally with a rubber spatula.
Beat in the egg.
Add the flour mixture alternating with the buttermilk and beat for or until the batter is thoroughly blended.
Pour the batter into the prepared pan.
Bake for or until a cake tester inserted into the center comes out clean.
Let cool in the pan for , then invert onto a cake rack to cool completely.
Makes one 8-inch square cake