Place the tomato slices in a bowl and sprinkle with a little salt. Let sit for about 10 minutes to bring out their flavor.
On a large serving platter, arrange the lettuce first, then add the radishes, cucumber, tomatoes, artichoke hearts, black olives, quartered eggs, and flaked tuna.
Lightly spray the breaded ravioli with cooking spray. Place them on the wire rack and bake for 15-18 minutes until they are golden and crisp.