Whirl 2 fresh or frozen peeled bananas with 1 cup quick oats and 4 eggs in a blender until combined. Let batter stand for 10 min. Melt 2 tbsp butter in a large non-stick frying pan over medium. Add 1/4-cup portions of batter to pan and cook until golden, 1 to 2 min per side. Repeat with remaining batter. Serve with maple syrup.