Homemade mustard, glass jar, 200g. Ingredients: water, black MUSTARD seed*, vinegar*, Ile de Ré salt. *: from organic farming FR-BIO-09 certified Be one of the first to acquire quality mustard, as you know, there is a shortage of mustard right now and prices are going to soar and the breaks are likely to happen quickly. Rivesaline is an agri-food company specializing in the manual production and distribution of natural salt as well as other resources of the Île de Ré to discover. Modern and resilient food for a thousand years. The traditional salt marsh of Ile de Ré offers a wide range of healthy foods with high nutritional qualities. Its operation generates local jobs and a positive environmental impact. Since 2003, Rivesaline has offered a differentiated offer imagined from its natural resources: gray salt, fleur de sel, salt mist, samphire, maceron and seaweed.