Wash the chives, dab dry, put 2 tips aside for garnishing. Cut the remaining chives into small rolls. Whisk egg and 4 tbsp. water, stir in approx. 2/3 of the chives. Season with salt, pepper and nutmeg
Heat the oil in a coated pan (approx. 18 cm Ø). Fry the diced ham for 2-3 minutes while turning. Pour the egg mixture into the pan and let it set at medium heat for about 8 minutes. Turn out the omelette onto a plate and let it cool down
Wash and drain the lettuce leaves. Cut the rolls in half, spread the lower half of the rolls with aiwar, cover with tomato and cucumber slices. Fold up the omelette, place on top, cover with chive rolls and chives. Place the upper half of the roll on top