In a separate bowl, combine 2 cups of all-purpose flour, 1 teaspoon each of baking powder and baking soda, 1 teaspoon of ground cinnamon, ½ teaspoon of ground nutmeg, and ½ teaspoon of salt ...

For the Cake: 1½ cups (180g) all-purpose flour 1 tsp baking powder 1 tsp baking soda ½ tsp ground cinnamon ¼ tsp ground nutmeg ½ tsp salt 1 cup (240g) mashed sweet potato (about 1 large sweet ...