Although tuna melt bread is always toasted on the exterior ... If you can't find sourdough, rye is a similar option. Nutty, ...

or try them grilled or roasted in a toasted veggie melt with regular or vegan cheese. Try rye bread for your next avocado ...

This classic tuna melt can be made in a frying pan ... Sandwich the filling between the two slices of bread, then butter the outsides of the sandwich. Heat the oil in a frying pan over a low ...