Illinois-based dad Darryl Postelnick, who has attracted a following with his “Cooking with Darryl” social media accounts, demonstrates why he brines his turkey in milk and buttermilk before grilling it. Illinois-based dad Darryl Postelnick, who has attracted a following with his “Cooking with Darryl” social media accounts, demonstrates why he brines his turkey in milk and buttermilk before grilling it.