Cut the Gouda cheese into small cubes and finely chop the garlic cloves. Drain the pickled tomatoes and cut into pieces.
Mix the oil and vinegar in a bowl, add the plucked rosemary leaves and tomato pieces and mix. Mix in the cheese and add the sliced olives. If necessary, add fresh wild garlic, stir well, sprinkle with freshly ground pepper and cover overnight in the refrigerator.