Wash the meat, dab dry and cut into small cubes. Mix with gyros spice and 1 teaspoon of oil and leave to soak for 30 minutes. Wash the potatoes and cook in plenty of boiling water for about 20 minutes. Clean and wash the salad, drain well and pluck into bite-sized pieces. Wash, halve and slice the cucumber.
Clean, wash and slice radishes and tomatoes. Mix quark and mineral water. Season to taste with salt and pepper. Mix vinegar, salt and pepper. Whip 1 teaspoon of oil into it. Mix marinade and salad. Clean, wash and halve the mushrooms. Put meat and mushrooms alternately on 4 wooden skewers and fry in the remaining oil. Drain, rinse and peel the potatoes.
Mix marinade and salad. Clean, wash and halve the mushrooms. Put meat and mushrooms alternately on 4 wooden skewers and fry in the remaining oil. Drain, rinse and peel the potatoes. Arrange potatoes, quark, salad and meat skewers on a plate. Sprinkle with parsley and garnish