Preheat your oven to 350 degrees.
Place 3 cups of Cheetos in a Ziploc bag, seal and use a rolling pin to crush them.
Combine the flour, Cheetos crumbs, salt, baking soda, and cream of tartar in a medium sized mixing bowl.
Mix to combine.
Add the butter, shortening and sugar to another bowl.
Cream the butter, sugar and shortening.
Add in the egg and mix well.
Add 1/2 of the dry ingredients to the wet ingredients.
Cover and refrigerate dough for at least 1 hour.
Using a small ice cream scoop, make dough balls.
Add the remaining 2 cups Cheeto crumbs to a small bowl.
Roll each dough ball in the Cheeto crumbs
Place the dough balls on a parchment paper lined baking pan.
Bake for 10-12 minutes
Remove from the oven.
Place cookies on a wire rack to cool completely.