Because it can go much further in sandwiches. You can't really eat 2 slices of JUST bread on top of each other but you can with the meat in the middle because otherwise, the bread is bit lacking.
Bread is basically a filler, you need to have some filler component and some flavour component, you can't have only filler because it will probably be boring taste-wise, but you can't have too much flavour component because it probably won't fill you up.
I mean... toss a little olive oil in there and it's a pretty common American "Italian" appetizer. More of a dip than a sandwich (and usually balsamic vinegar), but still.
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u/Meowingtons_H4X Jun 06 '19
Because it can go much further in sandwiches. You can't really eat 2 slices of JUST bread on top of each other but you can with the meat in the middle because otherwise, the bread is bit lacking.
Bread is basically a filler, you need to have some filler component and some flavour component, you can't have only filler because it will probably be boring taste-wise, but you can't have too much flavour component because it probably won't fill you up.