Preheat the oven to 350 degrees. Spray a 9 x 13 baking pan with cooking spray and set aside.
In a large mixing bowl whisk together flour, ginger, cinnamon, baking soda, cloves, nutmeg, salt and brown sugar.
2 cups flour, 1 ½ teaspoons ground ginger, ½ teaspoons ground nutmeg, ½ teaspoon ground cloves, 2 teaspoons ground cinnamon, ½ teaspoon baking soda, ¼ teaspoon salt, 1 ¾ cups light brown sugar
In a large saucepan, combine the butter, water, and molasses and heat on medium-high heat until butter is melted.
1 cups butter, 1 cup water, ¼ cups molasses
Bring the mixture to a slight boil.
Gradually whisk in the dry ingredients into the saucepan.
Remove from the stove and allow to cool for a few minutes.
Whisk in the buttermilk, eggs, and vanilla until combined.
½ cup buttermilk, 2 eggs, 1 teaspoon vanilla extract
Pour the batter into the baking dish.
Bake for 20-25 minutes or until a toothpick comes out clean.
Allow to cool.