 Acquacotta con funghi is an <unk> soup variation that uses porcini mushrooms as a primary ingredient . Additional ingredients include bread , stock or water , tomato <unk> , Parmesan cheese , eggs , <unk> , wild mint , garlic , olive oil , salt and pepper . This variation 's flavor and aroma has been described as based upon the porcini mushrooms that are used ; parsley may also be used . 
