Separate the lettuce leaves, rinse, trim, shake dry and tear smaller if necessary.
Rinse and peel the tomatoes. Rinse and trim the scallion and cut into rings.
For the dressing, combine the vinegar with the oil and season with salt and pepper.
Arrange the lettuce on a plate and distribute the zucchini slices, the tomatoes and the scallions on top. Drizzle everything with the dressing.
Peel and quarter the eggs and serve on top of the salad.