Onion, tomatoes, olives and pepper cut into slices.
Cut the celery into cubes.
Prepare the dressing: mix the oil, soy sauce and sweet (not spicy) mustard.
Assemble the salad: put the lettuce leaves on a plate.
Next – pepper, onion, olives and celery.
Put the tomatoes on top.
Pour our dressing and garnish with sesame seeds.