01 - Combine the mashed bananas, eggs, milk, and vanilla extract in a blender. Blend until the mixture is completely smooth with no banana lumps remaining.
02 - Add the rolled oats, protein powder, baking powder, cinnamon, and salt directly to the blender. Blend until a smooth, uniform batter forms, stopping to scrape down the sides as needed.
03 - Fold in any optional add-ins such as chia seeds or chopped walnuts if desired. Allow the batter to rest for 2 to 3 minutes so it thickens slightly for better texture.
04 - Set a non-stick skillet or griddle over medium heat and lightly grease with cooking spray or a thin layer of butter or oil.
05 - Pour approximately 1/4 cup of batter per pancake onto the heated surface. Cook for 2 to 3 minutes until bubbles appear across the surface and edges begin to set. Flip carefully and cook an additional 1 to 2 minutes until the underside is golden brown and the center is cooked through.
06 - Repeat with the remaining batter, re-greasing the skillet between batches as necessary. Serve warm topped with fresh berries, nut butter, or maple syrup.