Preparation time: 15 minutes
Cooking time; Under 30 minutes

1. Open up the raw mussels; place in a baking dish;
2. prepare the sauce: sauté mushrooms, a small onion and the minced shallots in 1 tbsp. oil;
3. add the liquid from the mussels, the white wine, the butter, the parsley and  the pepper; add a little cream (optional);
4. pour over the mussels; place into a hot oven for a few minutes and serve immediately.