Preheat oven to 350 degrees and spray a 9in Bundt cake pan with Pam baking spray
In a large bowl, whisk together the flour, baking powder, baking soda, ginger, cinnamon, and nutmeg
In another large bowl, beat together the oil, brown sugar, molasses, and vanilla until combined
Beat in the eggs, 1 at a time until combined
Alternating between the two, gradually beat in the sour cream and dry ingredients until combined and smooth
Pour the gingerbread cake mixture into the Bundt pan
Bake for 50-65 minutes or until a toothpick comes out clean
Allow cooling for 10 minutes before placing onto a wire rack