A sandwich for many is a great and yet convenient lunch staple, and the Italian sub is one great sandwich. It’s extremely yummy and popular, and it’s a favorite staple in various lunchtime menus. That may have been a surprise to the original makers of the early Italian subs. After all, the Italian sub started out as a cheap sandwich with cured cold cuts, made by working-class Italian immigrants living along the East Coast. The ideal Italian sub features high-quality ingredients, properly complementing the smoky, salty tastes of the meat with the right amount of cheese and the ideal combination…