Add everything to a high speed blender except the sweetener.

Blend on high.

Taste to see if it needs sweetener. If so add a few drops of stevia or sweetener of your choice.

Refrigerate before eating.

Notes: You can use a room temperature avocado if you want. A frozen one just makes it colder. You can substitute powdered peanut butter and a vanilla or chocolate protein powder if you don't have the Quest peanut butter protein powder. You can also substitute unsweetened cocoa powder for the cacao powder. Lastly you can use whatever sweetener you wish and may not need it at all depending on your protein powder.