"America's Test Kitchen aggregates many years of cookie baking knowledge, breaking down key steps and recipe techniques in this ... cookbook that features recipes for any cookie you can dream up--from favorite cookie jar classics to new and unique cookies, brownies, bars, and candies"--Amazon.com. Learn the key steps of preparing any cookie, brownie, or bar! These recipes have been tested and re-tested at America's Test Kitchen, so you know you'll not only find the best recipes (both classic and modern) but also tips and techniques to help you bake the perfect cookie, any time, every time.