Cut into large squares half of a large head of iceberg lettuce.

Radishes cut into rings.

Decanting from the liquid of canned tuna and mozzarella. Add to salad with radishes. Food for thought: "Tuna in its own juice - this is the second meat source of complete proteins. Tuna is rich in vitamin A. tuna Meat in own juice is low in calories, is characterized by a favorable combination of iodine, copper, iron, manganese, phosphorus, vitamin D, vitamin E, B12, Pantothenic acid. Tuna proteins are broken down by digestive enzymes faster and easier than, for example, proteins of the beef. Tuna in its own juice is used to cook many tasty and healthy dishes. Tuna meat has such a noble taste. Tuna is one of the few fish species that do not lose their useful properties when canned. It contains almost no fat and is made with the addition of a minimum amount of salt to enhance the taste. Tuna is widely used in European and Japanese cooking."

Filling: finely cut into cubes small onion. Add to the onions red balsamic vinegar, mustard, a pinch of sugar, salt, pepper and gradually add oil, whisking all together with a fork.

Dressed salad.

Enjoy this summer!