In a medium mixing bowl, whisk flour, baking soda, ginger, cinnamon, pumpkin pie spice together. Set aside.
In a small saucepan, heat milk and brown sugar together just until sugar is melted and is lukewarm.
With another small saucepan, heat molasses and corn syrup until lukewarm as well.
While both pans are cooling down a bit, cut cold butter into small pieces, add to the flour mixture, and use a pastry blender, or 2 forks, until mixture resembles fine crumbles.
Once both pans have cooled to luke warm, add milk mixture to flour mixture, stir until blended then add molasses mixture. Stir.
Add egg and whisk until well Incorporated.
Pour into the prepared disposable paper loaf pans and bake for 30-35 minutes or until a toothpick inserted comes out clean.
Let cool completely in the baking pan.
Once cooled, remove from the pan and let cool completely.