Wash and dry all the vegetables and salads.
Rinse the lentils, boil until tender in salted water and cool.
Slice the eggplants and fry them in a frying pan until tender.
Tear the lettuce leaves with your hands, chop parsley or basil, add eggplant, tomatoes, lentils. Season with olive oil, drizzle with white wine vinegar, season with salt and pepper and mix well.
Put the salad on a plate, put slices of salmon or tuna on top, sprinkle with arugula and drizzle with olive oil. If desired and available, you can sprinkle with parmesan.