I bought a sandwich yesterday which was a hot sandwich (in this case it was a Cuban but could be cheese steak or meatball or chicken parm or whatever). I only ate half and put the other half in the fridge. What’s the best way to reheat it?
Microwave seems to destroy the bread. Stove top seems to be uneven and burn the bottom before the top is warm.
Generally, you want a fairly low heat and plenty of air movement. Which places a toaster oven with a convection fan at the top of the heap, imo. Air fryers tend not to be able to be set as low, but they’ll work, as would a full sized subsection oven (though ffs that’s a lot of energy used)
You can get by with a lidded pan and something to keep the sandwich off of the actual metal directly.
If you gotta use a microwave, try opening the sandwich, then wrapping it all in paper towels. It’s hit or miss, but it usually keeps the bread intact.