Step 1

Place your milk, banana, pineapple, avocado, spinach, cilantro, and ground cinnamon in the pitcher of a high speed blender. Add the protein powder, if you are using.

Step 2

Blend on high for about 30 seconds, or until the mixture is smooth and creamy.

Step 3

Serve your smoothie immediately, or cover it and refrigerate for up to 2 days.