Preheat oven to 350 degrees
Cream together softened butter and sugar until fluffy. Add
Add eggs, milk and vanilla and beat until combined.
Add dry ingredients and mix until combined.
To a separate bowl combine the sugar and cinnamon.
Spray a loaf pan with nonstick spray.
Add half the batter to the pan then top with half of the cinnamon sugar mixture.
Top with the second half the of the batter followed by the second half of the cinnamon sugar mixture.
Pour 2 tablespoons of melted butter on top of the top cinnamon sugar layer and run a knife throughout the batter to create those swirls.
Bake for one hour.
Cool for 15 minutes then slice and serve.