The definitive book on schmaltz -- a staple in Jewish cuisine and a "thread in a great tapestry," by one of America's most respected culinary writers. For culinary expert Michael Ruhlman, the ultimate goal in cooking is flavor, and for certain dishes nothing introduces it half as well as schmaltz. A staple ingredient in traditional Jewish cuisine, schmaltz (or rendered chicken fat), is at risk of disappearing from use due to modern...