A toasted sandwich can sit out at room temperature for up to 4 to 6 hours before it starts growing bacteria and then you risk food poisoning after that time.
However if the toasted sandwich has any cheese on it then it may start going bad within 2 hours.
To keep safe sandwiches, salads, and other meals with perishable ingredients shouldn't be left at room temperature for more than 2 hours—max.
Leftovers should also go back in the refrigerator within 2 hours.
If the toasted sandwich has meat in it then it can spoil faster than a toasted sandwich without meat.
I personally would not leave a toasted sandwich out longer than a few hours but some people have done so and have never gotten sick from it.
A toastrf sandwich is a sandwich in which the filling between two slices of bread is itself a thin slice of toasted bread, which may be buttered.
An 1861 recipe says to add salt and pepper to taste.
Some other types of sandwiches include.
Chicken Sandwich. Sandwiches are commonly eaten for breakfast – they're pretty popular.
Egg Sandwich.
Seafood Sandwich.
Roast Beef Sandwich.
Grilled Cheese.
Ham Sandwich.
Nutella Sandwich.
Grilled Chicken Sandwich.