Thus, the deli's sandwiches will be more consistent ... For what it's worth, Tasting Table's recipe for a roast beef sandwich with scallions and pickled jalapeños sticks with a simple mix ...

Lean meats are nearly always the better choice for deli-style roast beef sandwiches, unless you like your sandwiches to be uncomfortably tough. Specifically, you might consider a round cut ...

I ordered a roast-beef sandwich from Subway, Jimmy John's, and Jersey Mike's to see which popular chain does the classic sub best. None wowed me.