Alternatively, you could follow the recipe and do half & half almond butter and almond flour or half & half sun butter and ground sunflower seeds in place of the powdered peanut butter. (theplantphilosophy.com)
In place of powdered peanut butter, you can use more protein powder or even 5 tablespoons (25 g) of unsweetened cocoa powder for a chocolate variety. (glutenfreeonashoestring.com)