01 - Add spinach, green apple, banana, ginger, and lemon juice to a high-speed blender.
02 - Pour in cold water or coconut water. Add ice cubes, chia seeds, and sweetener if using.
03 - Blend on high speed until mixture is smooth and creamy.
04 - Taste and adjust sweetness or consistency by adding more honey, maple syrup, or water as needed.
05 - Divide the smoothie evenly into two glasses and serve immediately.