brown mustard seeds Aromatic Intensive. Sharp. High-quality brown mustard seeds: Brassica Juncea. Dive into the world of aromatic brews mustard seeds from Germany! Our high-quality Brassica juncea mustard seeds give your dishes an unmistakable spiciness and intensify the taste of pickled vegetables, pickles or brine eggs. They are the perfect choice for adding to salads, sauces or a spicy sauerbraten. Brown mustard seeds are characterized by their robust spiciness and offer an unforgettable taste experience.