Juicy and complex, roast beef sandwiches hit the spot when simpler ones don't. What separates it is that the beef is slow roasted so that it's medium-rare on the inside but browned on the outside.

The sandwich will come out hot, warm and toasted. Unwrap the foil carefully since it will be hot. Pull apart your roast beef sandwich, dunk it in the au jus gravy and enjoy.

5) Build the sandwiches with mayo, mustard, lettuce, tomatoes and onion as desired and serve with homemade french fries. 6) To make the french fries, square off the potato and slice in french fries.

Sure, the hamburger is iconic. But sandwiches that rely on sliced or diced beef are also emblematic of America’s culinary ...

I compared roast-beef sandwiches at Jimmy John's, Jersey Mike's, and Subway to find the best one. The bread at Jimmy John's never fails to impress me, but I thought the rest of the sub was bland.