Preheat the oven to 325°F.
Line a 24 centimeter round cake pan with oven paper.
Lightly butter the bottom and sides of the pan.
Line the bottom of the cake pan with oven paper.
If necessary (particularly in winter) warm the butter for about 20 seconds in the microwave to soften.
Finely chop the fresh and [amazon_textlink asin='B00AVKCOY4' text='candied ginger' template='ProductLink' store='flavorofita02-20' marketplace='US' link_id='455ec1d8-13bb-11e8-8a3b-afda98e4ed70'].
Add the ginger to the milk and heat over a low flame (or in a microwave oven) for a minute or two until hot but not yet simmering. Set aside.
Whisk the dry ingredients together until well combined.
With an electric mixer on high cream the butter and sugar together until light and fluffy.
Add each egg, one per time, until fully blended.
Add the molasses until fully blended.
Add the flour and milk mixture, in thirds, beginning with the flour, until fully blended.
Pour the batter into the cake pan and bake 45 minutes until a toothpick inserted into the center of the cake comes out clean.
Cool the cake on a cake rack for ten minutes.
Loosen the cake from the sides of the pan and invert the cake onto a cake platter.
Remove the oven paper from the cake and discard.