Add all banana, mixed berries and yogurt to the blender. Add milk last.
Blend until smooth.
Divide between two cups and garnish with frozen or fresh berries, if desired.
Video
Notes
Freezer: Smoothies are best consumed at the time you make them. However, if you have some leftover and want to store it for another time, put it into the freezer in an airtight container. Allow to thaw in the fridge before consuming.