How to make
Halve the bread rolls and brush them with olive oil, then sprinkle them with salt, a little black pepper and crushed cloves. Mash the tuna fillet with a fork.
In each loaf, place a lettuce leaf, tomato slices, distribute the fish fillets, arrange thin slices of onion on it. Squeeze the sandwiches with something heavy for 30 minutes, then serve them.
