* USDA Organic * Kosher * Freshness Dated * Non-Irradiated * Certified Organic by QAI Taste That Makes A Difference You can feel good about the superior flavor of Frontier seasonings. We source our spices from growers committed to quality, sustainability and ethical trade. The hot, tangy flavor of mustard adds zest to sauces, dips, dressings, and egg and cheese dishes. Ground mustard has no aroma when dry, but will develop its sharpness about 10 minutes after moistening.