Preheat the oven to 350 degrees
spray loaf pan with pam spray and set aside
In a large mixing bowl, combine the flour, baking soda, ginger, cinnamon, all spice and salt
Use a whisk and mix until combined
In a standing mixer, beat the butter and brown sugar until combined
Mix in the eggs and vanilla until combined
In a medium bowl, combine the hot water and molasses and mix until combined.
Pour molasses mix into the wet ingredients in the standing mixer and mix until combined
gradually pour in the dry ingredients into the mixer and continue to mix until combined
Pour batter into prepared loaf pan and bake in the oven for 60 minuets or until a toothpick comes out clean.
Place onto a wire rack to cool to room temperature about 45 minuets
In a medium bowl, combine the powder sugar, milk and tsp cinnamon and whisk until combined
Take loaf out of loaf baking dish
Pour then cinnamon glaze over the loaf and let harden for 10 minuets before cutting.