It’s #NationalBurgerDay and we’re grilling up our Perfect Grilled Hamburger, a featured recipe in our #MasterOfTheGrill cookbook. #🍔 Slightly indenting, or dimpling, the center of each burger helped them cook to a perfectly even thickness. Grilling the burgers over a superhot, concentrated fire ensured that they developed a good crust without overcooking. To access the recipe hop on over to atkgrill.com. To pick up your copy of the book visit amzn.to/1XVr7uP.