According to experts at America's Test Kitchen/Cooks Illustrated, if you're concerned about peanut allergies, look for cookie recipes specifically designed for other nut butters. Neither cashew nor almond butter works well as a direct substitute for peanut butter in a cookie recipe, because neither will produce the same intended results as the initial specification of peanut butter. That said, I have tried this recipe with sun butter in lieu of the specified peanut butter. While the taste was good, this recipe is specifically a method which uses peanuts and peanut butter. My substitution left these cookies flat and they did not set up as intended. So again, if you're concerned about peanut allergies, look for cookie recipes specifically designed for other nut butters.