INSTRUCTIONS:
1 ) Preset the oven to 350°F. Butter, line with parchment, and flour two 6 inch cake pans.
2 ) Sift together the flour, baking powder, cinnamon, nutmeg, cardamom and salt in a large bowl and set aside.
3 ) In an electric mixer, paddle the butter, oil, vanilla and sugars until light and fluffy. There should be no clumps of brown sugar.
4 ) Add the egg and sweet potato puree and mix until incorporated. On low speed, add the dry mixture until just incorporated. Mix the last bit of flour with a spatula to avoid over mixing.
5 ) Divide the batter evenly between the two cake pans. Bake for 20-25 minutes or until a toothpick placed in the center comes out clean.
6 ) Let the cakes cool in the pan for 5 minutes. Then, un-mold and cool completely on rack
7 ) Top the cake layers with your favorite frosting or use my cinnamon cream cheese frosting recipe cream cheese frosting recipe.
