The texture of your cookies depends on several factors, such as the type and amount of sugar, fat, flour, and leavening agent used in the recipe, as well as the baking time and temperature. In general, chewy cookies have more brown sugar, butter, eggs, and less flour than crispy cookies. Chewy cookies are also baked at a lower temperature for a longer time than crispy cookies. Crispy cookies have more white sugar, shortening, baking soda, and more flour than chewy cookies. Crispy cookies are also baked at a higher temperature for a shorter time than chewy cookies.