Subscribe Now: http://www.youtube.com/subscription_center?add_user=Cookingguide Watch More: http://www.youtube.com/Cookingguide When hamburger meat gets spoiled it will display a few pretty clear signs that you should watch out for. Find out if hamburger meat is spoiled when it turns grey with help from an author and culinary specialist in this free video clip. Expert: Kari Underly Contact: www.rangepartners.com Bio: Kari Underly's book, "The Art of Beef Cutting: A Meat Professional's Guide to Butchering and Merchandising" (Wiley, 2011), is hailed as the most comprehensive beef cutting education available in print Filmmaker: Steve Voller Series Description: How you will go about preparing, cooking and even cutting a piece of meat depends on exactly what type of meal you're trying to make in the first place. Get meat preparation tips with help from an author and culinary specialist in this free video series.