Place the frozen berries, banana, and liquid into a blender or food processor.
Blend until smooth, scraping down the sides with a spatula as needed.
Pour the smoothie mixture into a bowl.
Add your choice of optional toppings like sliced fruits, nuts, seeds, or a drizzle of honey.
Dietary Options
This recipe can be adapted for gluten-free, vegan, and celiac diets. Follow the standard recipe, adapting based on the best practices for ingredient selection relevant to each dietary need.