Cashew nut cookies are pretty easy going. These bite-size morsels don't mind if you put in more of this or less of that.
You can use more cashews and less flour if you like your cookies really nutty.
Add more sugar if you have a sweet tooth.
Add more eggs if you like softer, more tender cookies, less if you like more "snap".
You want very buttery cookies? Add more butter of course. If the