Place all the ingredients in a high-speed blender, and blend for 1-2 minutes until you get a smooth and creamy texture.
Taste the smoothie, adding more milk if it is too thick or adding more sweetener if it’s not sweet enough for you. Pour into a cup or mason jar. Enjoy immediately, or store in fridge for up to 24 hours.
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Notes
Storage: Store any leftovers in an airtight jar or insulated tumbler in the fridge. It will stay fresh for up to 24 hours, but it's best freshly made. You can freeze for up to two months. Defrost in the fridge then blend again before serving.