Wash the potatoes and cook in boiling water for 25-30 minutes. Mix quark and yoghurt. Season with salt and pepper. Clean and wash the peppers, cut them into small cubes and stir into the quark.
Cut the chicken fillets into thin slices. Mix meat, oil and gyros spice. Peel onions and cut into fine strips. Clean and wash spring onions and cut into rings. Fry chicken gyros in a coated pan for 4-5 minutes.
Fry the onions and spring onions briefly. Season with salt and pepper. Drain and peel the potatoes. Wash some parsley and cut into fine strips. Arrange chicken gyros, potatoes and paprika quark on plates and sprinkle with parsley and garnish.