Layer frozen fruit in bottom of blender or processer.
Add in milk, yogurt and cinnamon.
Blend until reach desired consistency.
Notes
Less milk makes more milk shake smoothie consistency and makes it thicker. It is recommended to add liquid little by little. See notes in the post for how to make a thick smoothie. Optional add-in's: protein powder, nuts, seeds, granola, cereal, chia seeds, hemp seeds, coconut flakes