Preheat the oven to 350 degrees F. Line a muffin tin with paper liners.
In a medium bowl, whisk together 2 cups flour, 1 teaspoon baking soda, 2 teaspoons ginger, 1 teaspoon cinnamon, 3/4 teaspoon nutmeg, /12 salt and 1/8 teaspoon black pepper. Set aside.
In a large bowl of a stand mixer, or with an electric mixer, cream together the 1/2 cup brown sugar and 1/2 cup softened butter until well combined.
Add the 1/2 cup molasses and 1 tablespoon vanilla and mix well.
Add the 2 eggs, one at a time, and mix until well combined.
Add the flour mixture to the sugar mixture alternating with 1 cup of buttermilk, beginning and ending with the flour. Stir just until blended after each addition.
Using a half cup scoop, scoop batter into muffin tins.
Bake for 16-20 minutes until tops are springy and a toothpick inserted in the center comes out clean.
Cool in the pan for 10 minutes and remove from the pan and cool completely.