Martha White® Banana Nut Muffin Mix. Making Family Traditions easy for over 100 Years™. Artificially flavored. Just add milk! Good source of calcium & 5 vitamins & iron. Since 1899, Martha White has been a trusted name in southern kitchens, providing folks with the highest quality products. Crisco® is a registered trademark of The J.M. Smucker Company. Questions or comments 1-800-663-6317 weekdays 9am - 7pm (EST). Package information will be helpful when contacting us. For the best recipes and baking tips visit us at: www.marthawhite.com.