In a bowl, mix oat flour, protein powder, baking powder, and cinnamon until fully blended.
Add egg whites and Greek yogurt to the bowl and mix until a batter-like consistency is reached.
Melt coconut oil in a skillet over medium-high heat and wipe down to prevent the pancakes from sticking.
Pour in some batter and cook pancakes until bubbles form all around the top of the pancake, then flip and cook for a few more minutes, or until cooked through.
Top your pancake stack with bananas, blueberries, or honey.