If you are looking for a proper protein smoothie recipe, this one from A Food Centric Life is a great starting point. The thing with recipes like this, is that they are a starting point that you can take and place your own stamp on. Protein smoothies are a great way to bump up the nutrition in an on the go snack, instead of getting drive-through or take out. They taste amazing, and the oats with their low GI will keep you full for longer.
A Food Centric Life‘s Protein Smoothie recipes are available on their site