Sweet Potato Honeybun Cake

Sweet Potato Honeybun Cake

Ingredients:

For the Cake:

1 cup mashed sweet potatoes (about 1 large sweet potato, cooked and mashed)
1 box yellow cake mix
4 large eggs
1/2 cup vegetable oil
1/2 cup sour cream
1 teaspoon vanilla extract
1 teaspoon ground cinnamon
1/2 teaspoon ground nutmeg
1/2 teaspoon ground ginger
For the Cinnamon Sugar Swirl:

1 cup light brown sugar, packed
1 tablespoon ground cinnamon