For the ultimate beef burger, Julia grinds several cuts of meat to create the ultimate blend. Get our Ultimate Beef Burger Blend recipe: https://cooks.io/3Ns6tBt Get our Quick Pickled Onions recipe: https://cooks.io/3CPa4ET Get our Classic Burger Sauce recipe: https://bit.ly/3pz5NSR Browse all JAH recipes: https://bit.ly/3VUa4Mq Buy our winning large saucepan: https://cooks.io/2QQbsgK Buy our winning chefs knife: https://cooks.io/3WZ7Kof Buy our winning chefs knife in the ATK Shop: http://bit.ly/3Za51Il Buy our winning food processor: https://cooks.io/3DkZmoF Buy the Nordic Quarter Sheet Pan: https://cooks.io/3vxxsDJ Buy the All-Clad Stainless Steel skillet: https://cooks.io/2D1JWbN Buy our winning nonstick-safe spatula: https://cooks.io/3xHTjcM Buy our winning wire rack: https://cooks.io/3NtH2h6 ABOUT US: Located in Boston’s Seaport District in the historic Innovation and Design Building, America's Test Kitchen features 15,000 square feet of kitchen space including multiple photography and video studios. It is the home of Cook’s Illustrated magazine and Cook’s Country magazine and is the workday destination for more than 60 test cooks, editors, and cookware specialists. Our mission is to test recipes over and over again until we understand how and why they work and until we arrive at the best version. If you like us, follow us: http://americastestkitchen.com/ http://facebook.com/americastestkitchen http://twitter.com/testkitchen http://instagram.com/testkitchen http://pinterest.com/testkitchen