Every pastry chef has a distinct style of working with materials. A particular location or treat has a cause.
Kyle Bartone, New York Eataly's pastry chef, told Buzzfeed that salt makes wonderful cookies.
Bartone recommends using room temperature butter and bread flour to improve cookie texture.
Fine Cooking reports that Chicago pastry chef Ji Yoon uses bread flour to make chewier, softer biscuits.
Baking experts recommend sprinkling demerara sugar on cookies for added crunch or seasoning butter to make it more concentrated.