Lighter Cinnamon Ripple Sweet Potato Cake | Paula Deen

Ingredients

• 1/2 cup finely chopped pecans
• 1/4 cup packed light brown sugar
• 3 teaspoons ground cinnamon
• 2 cups white whole wheat flour
• 3/4 cup granulated sugar
• 2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1/4 teaspoon Ground nutmeg
• 3/4 cup low-fat buttermilk
• 2 large eggs
• 1 large egg white
• 1/3 cup Canola oil
• 1 1/4 teaspoons vanilla extract
• 1 cup cooked mashed, about 1 medium sweet potato sweet potatoes
• for dusting confectioner's sugar