Sir kensington’s yellow mustard is made with fragrant mustard seeds and ground turmeric which gives it the rich texture, vivid color and bright flavor. Equally whether at home squeezed onto a ballpark frank or daubed on a charcuterie plate, this mustard carries an undeniable whiff of nostalgia perfect for savory foods. Includes one 9 oz. Bottle of sir kensington’s yellow mustard. At sir kensington’s, we’re in the business of selling condiments. But our real secret sauce is who we are, what we believe in and why we do what we do. We didn’t always know how to put this into words. As we’ve grown and grown up, we’ve begun to distill this essence, starting with our mission and values which we’re proud to share with you.