01 - Preheat oven to 350°F. Grease and line a 9x5-inch loaf pan with parchment paper.
02 - Whisk together flour, ground ginger, cinnamon, cloves, nutmeg, baking soda, baking powder, and sea salt in a medium bowl.
03 - In a large bowl, beat softened butter and brown sugar until light and fluffy.
04 - Add eggs one at a time, fully incorporating each before adding molasses and vanilla extract.
05 - Add half of the dry ingredients to the wet mixture and stir gently. Pour in buttermilk, then add remaining dry ingredients. Mix until just combined, avoiding overmixing.
06 - Pour batter into prepared pan and smooth the surface evenly.
07 - Bake for 50 to 55 minutes or until a toothpick inserted in the center comes out clean.
08 - Allow loaf to cool in pan for 10 minutes, then transfer to wire rack to cool completely before slicing.