Jack Ciattarelli hammed it up this week, cooking pork roll on a griddle in MetLife Stadium’s parking lot and dishing out sandwiches to Giants and Eagles fans tailgating before the “Turnpike Tussle” matchup. The Republican candidate for New Jersey governor used the Garden State’s favorite breakfast food as a prop to drive home the point that he’s the born-and-bred “Jersey guy” residents need — not Democratic Rep. Mikie Sherrill, a Virginia-born transplant who recently committed “blasphemy” by