The Perfect Cookie: Your Ultimate Guide to Foolproof Cookies, Brownies & Bars by America’s Test Kitchen is a comprehensive anthology that brings together years of cookie-baking expertise. This 448-page hardcover volume features kitchen-tested, never-fail recipes for a wide array of treats, including classic cookies, rich brownies, fruit-and-crumble-topped bars, quick no-bake confections, holiday favorites, and even candies like fudge and truffles. Each recipe is accompanied by a full-page photo, providing visual guidance and inspiration.  Beyond the recipes, the book offers valuable insights into the science of baking. An introductory section delves into topics such as what makes a cookie chewy versus crispy and the importance of selecting the right baking sheet for even baking. Throughout the chapters, tips and tricks help bakers understand the “why” behind each technique, ensuring consistent and delicious resul