<P> A hot dog prepared by head chef Joe Calderone in Manhattan sold for US $69 during the National Hot Dog Day in 2010, making it the most expensive hot dog sold at the time . The hot dog was topped with truffle oil, duck foie gras, and truffle butter . </P> <P> On May 31, 2012, Guinness World Records certified the world record for most expensive hot dog at $145.49 . The "California Capitol City Dawg", served at Capitol Dawg in Sacramento, California, features a grilled 460 mm (18 in) all - beef in natural casing frank from Chicago, served on a fresh baked herb and oil focaccia roll, spread with white truffle butter, then grilled . The record breaking hot dog is topped with a whole grain mustard from France, garlic & herb mayonnaise, sauteed chopped shallots, organic mixed baby greens, maple syrup marinated / fruitwood smoked uncured bacon from New Hampshire, chopped tomato, expensive moose cheese from Sweden, sweetened dried cranberries, basil olive oil / pear - cranberry - coconut balsamic vinaigrette, and ground peppercorn . Proceeds from the sale of each 1.4 kg (3 lb) super dog are donated to the Shriners Hospitals for Children . </P>

Where did the name hot dog come from