In a blender, add all of the ingredients and blend for 1-2 minutes, adding more milk if the smooth is too thick.
Pour into 2 glasses and serve.
Age: 9 months and up
Note on Blueberries: I use frozen wild blueberries (they are much smaller then regular blueberries) in this post and absolutely love them, but regular blueberries will also work. I found my wild blueberries at Trader Joes.
Extra Add-Ins: add 1-2 tsp of chia or flax seeds for a nutritional boost.