Brush the mussels well under water. Throw away open mussels
Cleaning and washing vegetables. Peel onions and garlic. Dice everything finely and fry in oil with thyme. Take out half. Add mussels, laurel and wine, bring to the boil. Cover and cook for 6-8 minutes. Shake pot in between
Wash and finely chop the parsley. Crumble the toast. Mix everything with butter, cheese and remaining vegetables, season
Drain mussels, discard closed ones. Remove upper shell. Place mussels in 4 fireproof dishes. Brush with filling. Pour 3 tablespoons of brew into each mould. Bake briefly in a hot oven (electric cooker: 225 °C/circulating air: 200 °C/gas: level 4)
Drink: cool white wine