Clean, wash and cut the beans diagonally into pieces. Peel and wash potatoes. Cut into small cubes. Cook the beans in boiling salted water for about 10 minutes, add the potatoes after 2 minutes and cook them.
Rinse kidney beans cold and drain. Peel onion and cut roughly into strips. Crumble the feta cheese. Drain beans and potatoes and chill. Mix vinegar, lemon juice, salt and pepper, stir in olive oil.
Mix the beans, potatoes, onion, sheep's cheese and olives with the marinade and leave to stand for approx. 30 minutes. For the skewers, rinse meat cold and pat dry. Cut into cubes and place on wooden skewers.
Season with Giros seasoning salt and fry in hot oil all around for about 10 minutes. Sprinkle with thyme leaves. Arrange skewers on the salad.