01 - Preheat oven to 350°F. Grease and flour a 9-inch round cake pan or line with parchment paper.
02 - Whisk together flour, baking powder, baking soda, salt, cinnamon, ginger, nutmeg, and cloves in a large bowl.
03 - Beat brown sugar and vegetable oil until combined. Add eggs one at a time, mixing well after each addition. Stir in buttermilk and vanilla.
04 - Gradually add the dry ingredients to the wet mixture, stirring until just combined; avoid overmixing.
05 - Fold in nuts and dried fruit if using.
06 - Pour batter into prepared pan and smooth the surface. Bake for 35 to 40 minutes until a toothpick inserted in the center comes out clean.
07 - Let the cake cool in the pan for 10 minutes before transferring to a wire rack to cool completely.
08 - Dust with powdered sugar or frost as desired before serving.