Wash and clean the aubergine and cut lengthwise into 2-3 slices. Sprinkle aubergine on both sides with 1/2 teaspoon salt and place on kitchen paper. Meanwhile, wash the meat, pat dry and tap thinly between 2 layers of foil.
Season with salt and pepper, spread with Harissa paste. Cut cheese into 3 slices. Wash tarragon and dab dry. Dab aubergine slices dry. Cover meat with cheese, aubergine slices and half of the tarragon.
Fold the meat over each other and fix it with a wooden skewer. Heat 1 teaspoon of oil in a small pan and fry the meat for about 4 minutes on each side. In the meantime wash the cucumber. Remove a few strips with a pestle ripper and set aside.
Coarsely grate the remaining cucumber. Peel garlic and press it through a garlic press. Mix yoghurt, garlic, cucumber and 1 tsp. oil. Season to taste with salt, pepper and sugar. Arrange meat with zatziki, garnish with tarragon and cucumber zests.
Flatbread tastes good with it.