Combine flour, oats, sugar, baking powder and soda, cinnamon, and salt in a medium bowl, stirring with a whisk.
Combine buttermilk, butter, and egg in a small bowl. Add to flour mixture, stirring just until moist.
Heat a nonstick griddle over medium heat. Coat pan with cooking spray. Spoon about 2-3 tablespoons batter per pancake onto griddle. Turn pancakes over when tops are covered with bubbles; cook until bottoms are lightly browned. Serve with syrup, butter and fruit, if desired.