01 - Preheat oven to 350°F. Grease and flour a 9-inch square baking pan.
02 - Whisk together flour, ground ginger, cinnamon, cloves, nutmeg, baking soda, and salt in a medium bowl.
03 - In a large bowl, cream the softened butter and packed brown sugar until light and fluffy.
04 - Beat in eggs one at a time, then stir in molasses until fully combined.
05 - Alternately add dry ingredients and hot water to the butter mixture, mixing until just combined. Stir in the whole milk.
06 - Pour batter into prepared pan and smooth the surface evenly.
07 - Bake for 30 to 35 minutes, or until a toothpick inserted in the center comes out clean.
08 - Let the cake cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
09 - Serve plain, dusted with powdered sugar, or topped with whipped cream as preferred.