In Philadelphia, cheesesteaks are invariably served on hoagie rolls. The meat is typically grilled and the hoagie roll or bun is usually toasted. Hoagie rolls are sometimes toasted before being used to prepare a sandwich. Ed Rendell declared the hoagie the "Official Sandwich of Philadelphia". One legend of the origin of the hoagie sandwich is tied to Hog Island. Woolworth's to-go sandwich was called a "hoagie" in all U.S. stores. This became known as the "Hog Island" sandwich; hence, the "hoagie". This became known as the "Hog Island" sandwich; shortened to "Hoggies", then the "hoagie". Some hoagie roll dough is fermented prior to baking. Gluten-free and vegan hoagie roll recipes have been devised. Hoagie Haven is a hot spot in Princeton. In 1976, Emily and George Roussos purchased the restaurant and retained the name Hoagie Haven. House, Gabe, and Wilson arrive at Atlantic City, but they cannot locate the hoagie shop. However, there are claims that the hoagie was actually a product of nearby Chester, Pennsylvania. Dictionary.com offers the following origin of the term hoagie.