01 - Place frozen banana, almond milk, Greek yogurt, maple syrup, cinnamon, rolled oats, and chia seeds into a blender.
02 - Blend on high speed until smooth and creamy.
03 - Add ice cubes for a thicker consistency and blend again if desired.
04 - Taste and adjust sweetness with additional maple syrup if needed.
05 - Pour into glasses and serve immediately.