A full cookie jar is one of life's small, reliable joys. This collection gives you twenty distinct cookies and, more importantly, the understanding to tweak any of them to your taste — chewier, crisper, thicker or softer.

You'll learn how butter temperature, sugar type and chilling change the final texture, then bake your way through classics and modern favourites, from brown-butter chocolate chip to spiced snickerdoodles.

What You'll Learn:

Bake once and understand the method, and the jar need never be empty.