Located near a historic building in McPherson, Kansas, the Old Muffin Factory has been in business since 1990. Their uniquely flavored baking mixes make home baking fun again. From the heart of wheat country, Les and Kala Mason created Mason Marketing Co. in 1990. They were inspired by the Kansas wheat fields nearby and their mutual love of the baking arts to create unique designer baking mixes. These mixes include some"> Ks. Seal Unbleached Flour - store.kshs.org