This cardamom and carrot cake recipe is perfect for those who love the combination of cardamom and vegetables. Using a food processor, blend together flour, sugar, baking powder, and ground cardamom. In a separate bowl, whisk together eggs, grated carrots, and melted butter. Fold in chopped walnuts and combine the wet and dry ingredients. Pour the batter into a greased cake pan and bake for 30-35 minutes or until a toothpick inserted in the center comes out clean. Serve with a dusting of powdered sugar and a sprinkle of ground cardamom.