First, you must use a great taste and texture graham cracker. After testing many brands, I found Schar and Nairn's to be the best!
Let's Make It!
Add the graham crackers and process until finely ground. If you do not have a processor, crush the graham crackers in a ziplock bag with a rolling pin.
Let's Make It!
Add the butter, sugar, gluten-free flour, and cinnamon. Process again until very well and uniformly mixed.