Peel and finely chop the onion. Knead minced meat, egg and onion well, season with salt and pepper. Form into small balls (3 cm Ø). Heat oil in a pan. Fry the meatballs in the oil for about 10 minutes until golden brown. Cut the pointed cabbage into 5 mm thick rings, wash and drain well on a sieve. Wash and halve the cucumber and cut into slices.
Wash spring onion and cut into fine rings. Peel the garlic and press it through a garlic press. Put yoghurt in a bowl, add lemon juice and season with salt, pepper, a pinch of sugar and garlic. Crumble the feta cheese lightly with your hands and stir it into the yoghurt dressing. Mix the prepared vegetables and arrange on a plate together with the meatballs. Spread the yoghurt dressing on top and sprinkle with chilli powder as desired and garnish with a chilli pepper