2 BAGS Atkinsons Yellow Cornbread Muffin Mix 2 lb Bag Jiffy Style2 Fresh Sacks, shipped. Atkinson's Yellow Cornbread Muffin Mix This mix has the same characteristics as our White Cornbread Muffin Mix, except for one important difference. Our Yellow Cornbread Muffin Mix is made from Yellow Cornmeal, from which it derives it's unique flavor. With it's nice texture and sweet taste you'll be excited to serve these muffins to your family. Just add water.