From corn dogs to haut dogs, skewered food has pierced restaurant menus around the country. New York Thai eatery Kittichai does a dressed-up satay with crispy “chicken lollipops” (212-219-2000). In Atlantic City, trendy Mixx offers an entire list of skewered “stixx” (609-317-1000). D.C.’s Café Atlántico spears foie gras — don’t knock it till you try it — then wraps it in cotton candy (202-393-0812). And now, some 2,900 Sonic Drive-Ins stick it to pancakes, serving at-the-wheel meals of pancake-battered sausages (