Not only is this smoothie packed with protein from the yogurt and cashew butter, but it's a great burst of energy from the caffeine! (cookingwithbooks.net)
Once again eggs come to the rescue since they are loaded with protein as well as healthy fats which according to paleo proponents is saturated fats. (paleodietfoodlist.net)
Plus, for me, they are a great way to get some protein in with protein powder! (kimscravings.com)