Blueberry Peanut Butter Breakfast Shake

I had a bunch of blueberries I had frozen a while ago that I wanted to use, and was hoping to find a yummy smoothie or shake to use them in.
This proved to be SUCH a tasty way to start the day! Adding protein powder or flax seed would be great as well.  Enjoy! :)

6oz Vanilla yogurt
6oz milk
ice cubes
About 1 1/2 T chunky peanut butter (could use creamy)
1 very ripe banana (I used a frozen one)
Blueberries (I imagine any berry would be tasty) :)

Put all ingredients in the blender and blend until desired consistency.  Makes one very full tall glass, or two medium/small ones.