Ingredients

1 teaspoon vanilla extract
3 cups all-purpose flour
1-1/2 cups sugar
2 teaspoons baking powder
2 teaspoons baking soda
2 teaspoons cinnamon
1/2 teaspoon ground ginger
1/4 teaspoon ground cloves
1/2 teaspoon ground nutmeg
2 cups mashed, cold sweet potatoes
1 ¼ cups apple butter
¼ cup oil
4 eggs

Method

1. Preheat oven to 350F.
2. Butter and lightly flour a 10-inch tube pan.
3. Mix the melted chocolate together with the vanilla.
4. Sift together the flour, sugar, baking powder, baking soda, cinnamon, ginger, cloves, and nutmeg. Set aside.
5. In a large bowl beat the sweet potatoes, apple butter and oil together.
6. Add the eggs one by one, beating until well blended.
7. Slowly add the dry ingredients and mix well.
8. Place ½ the mixture in another bowl and stir in the chocolate mixture.
9. Alternate batters in the tube pan. With a knife cut through the layers and swirl together.
10. Bake 1 ¼ hours or until the sides have shrunk away from the pan, and a tester comes out clean.
    vLet cool for 10 minutes and remove from the pan and cool on a rack.