Sweet Potato Honeybun Cake with Cinnamon Swirl - Yummy Gusto

Ingredients

• 1 cup mashed sweet potatoes (about 1 medium sweet potato)
• 1 cup granulated sugar
• 1/2 cup packed brown sugar
• 1/2 cup vegetable oil
• 2 large eggs
• 1 cup buttermilk
• 2 teaspoons vanilla extract
• 2 1/2 cups all-purpose flour
• 1 tablespoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 teaspoon ground cinnamon
• 1/2 teaspoon ground nutmeg
• 1/2 teaspoon ground ginger
• 1/2 cup granulated sugar
• 1 tablespoon ground cinnamon
• 1 cup powdered sugar
• 2 tablespoons milk
• 1/2 teaspoon vanilla extract