Combine all ingredients in a blender bowl and blend until smooth.
Notes
This recipe can also be frozen in molds for popsicles. Freeze any left over smoothie for later use. When ready, allow it to thaw in the refrigerator for a few hours before drinking.
Recipe by It's Gravy, Baby! at https://itsgravybaby.com/2013/06/pineapple-banana-smoothie-recipe/