Cleaning mushrooms, washing them. Fry in 2 tablespoons of oil, turning until golden brown, and remove. Drain the artichokes
Peel and chop onion and garlic. Fry them in 5 tablespoons of hot oil until transparent. Add vinegar, laurel and sugar. Let it boil down by half at high heat
Meanwhile wash, seed and finely dice the tomatoes. Wash and chop the herbs. Mix both into the onion. Season with salt and pepper
Mix the mushrooms and artichokes with the marinade. Covered, best over night, let it stand