Popularity and availability In the United States, from its origins with the Italian-American labor force in the northeast, the sub began to show up on menus of local pizzerias. As time went on and its popularity grew, small restaurants, called hoagie shops and sub shops which specialized offering the sandwich began to open.
Popularity and availability In the United States from its origins with the Italian-American labor force in the northeast the sub began to show up on menus of local pizzerias. As time went on and its popularity grew, small restaurants, called hoagie shops and sub shops which specialized offering the sandwich began to open.