Preheat oven 400 degrees. Grease 12 cup muffin tin with spray. Combine oats, ... powder, salt and cinnamon; set aside. In large ... minutes or golden brown.
Lightly spoon flour into measuring ... powder, baking soda, cinnamon and salt. Stir in buttermilk, ... overnight. (If desired, muffins can be baked immediately.) Heat ... and baked as needed.