With a unique and authentic taste, this mustard will go wonderfully with a prime rib and will be ideal for preparing a remarkable vinaigrette.The grain mustard goes perfectly with a prime rib or an andouillette. It will also enhance a tomato pie or a vinaigrette.This mustard is made with French seeds which are crushed with a stone wheel. It is then associated with a cider vinegar and a finely selected producer white wine.