Place all ingredients in blender in the order listed (start with 1/2 cup water/juice). Blend until quite smooth, scraping down the sides or adding more liquid as necessary.
Taste and add vanilla, honey, cayenne, or turmeric as desired. Pulse to combine and serve immediately.
Notes
This is a great recipe for colds--a vitamin C shot from the oranges, cold creaminess from the bananas, some greens for extra nutrition, and a little ginger (and cayenne, if you like) to clear up your sinuses. Drink a big glass, or freeze it into popsicle molds if you need to soothe a sore throat.