Grind tuna and eggs.

To make dressing mix tuna’s brine with vegetable oil and lemon juice.

Slice tomatoes finely.

Put potato in a layer on a salad plate, cover with half of the dressing, space a layer of tuna over potato and then a layer of tomatoes. Repeat the operation again making next layers so as tomato layer was at the top.

Decorate with olives cut in halves and sprinkle with chopped greens.