1. Combine the flour, sugar, baking powder, baking soda, salt & cinnamon. Make a well in center of flour mixture; set aside. Combine the egg, buttermilk and oil. Add egg mixture all at once to flour mixture. Stir just until moistened (batter should be lumpy.) Add additional milk to thin batter if necessary. 2. Pour into circles the size you want the pancakes. Cook until pancakes have a bubbly surface and edges are slightly dry.