01 - Place spinach, banana, apple, avocado, and almond milk into a blender.
02 - Incorporate ground cinnamon, ground ginger, and chia seeds if using.
03 - Blend on high speed until the mixture is smooth, scraping down the sides as needed.
04 - Taste the mixture and add maple syrup or honey if additional sweetness is desired.
05 - Add ice cubes and blend again until the smoothie is frothy and chilled.
06 - Pour into glasses and serve immediately.