01 - Place the frozen berries, banana slices, fresh spinach, and unsweetened almond milk into a high-speed blender.
02 - If desired, add 1 tablespoon of chia seeds or ground flaxseed, and 1 tablespoon of honey or maple syrup to the blender.
03 - Secure the blender lid and process on high speed for approximately 45–60 seconds, or until the mixture is completely smooth and creamy.
04 - Taste the smoothie and adjust the sweetness level if necessary by adding a small amount of additional sweetener, then blend briefly to combine.
05 - Pour the prepared smoothie into two individual glasses and serve promptly for optimal freshness and texture.