A delightful twist on a classic dish.
2 ¾ cups all-purpose flour
1 ½ teaspoons baking powder
1 teaspoon baking soda
½ teaspoon salt
1 tablespoon ground cinnamon, divided
½ teaspoon nutmeg
1 cup unsalted butter, softened
2 cups granulated sugar
4 large eggs
1 tablespoon vanilla extract
1 cup buttermilk
1 cup cinnamon sugar (1/2 cup sugar mixed with 1 tablespoon cinnamon for topping)