What can I add to the Cowboy Cookie Mix? September 29, 2021 A What can I add to the Cowboy Cookie Mix? 1 to 2 cups of whatever you like, including chocolate chips, raisins, nuts, seeds, coconut, other dried fruit, etc.You can even add a combo of protein powder + puréed fruit.You can mix-and-match. Ex. 1/2 cup of each of raisins, walnuts & coconut.