Family Tested & Approved
Mix flour, sugar, butter, ginger, cinnamon, and salt with pastry blender or fork so dough is crumbly. Set aside 1/4 cup for topping.
Add buttermilk,egg, and molasses; mix baking soda with boiling water before adding to batter. Pour into sheet cake pan.
Bake at 350 degrees F for about 25 minutes. Sprinkle reserved topping and bake for additional 10-15 minutes.