Make hard boiled eggs, run cold water over them until the eggs get cold. Peel off the peels and cut those eggs in a half each.
Cut olives rings. Wash cherry tomatoes, dry and cut the same way as you did with the olives. Wash lettuce, dry and tear.
For the sauce, take the leftover olive oil and mix it with the orange juice and balsamic vinegar. Sprinkle salt, pepper and stir slightly.
All prepared products should be carefully mixed in a salad bowl, seasoned with recently made sauce.