Preheat oven to 350. Generously grease a bundt pan and set aside.Add sugars and cinnamon in a mixing bowl and mix well. In a separate bowl, add melted butter.
Bake uncovered for 15 minutes. Cover with foil. Bake for 20 minutes. Remove foil and bake for 5-8 minutes or until a tooth pick inserted in the center comes out clean.