October Brews 9: Chocolate Avocado Smoothie

http://www.texanerin.com/2013/04/chocolate-avocado-smoothie.html

Ingredients:
  - 85 grams cold avocado flesh (~ ½ avocado)
  - 2 tablespoons Dutch-process cocoa powder
  - 1 medium cold banana (mine was 120 grams without the peel)
  - .25 cup plain Greek yogurt (or regular yogurt - just leave       out the milk or use less)
  - 2 tablespoons milk