This Jiffy Corn Muffin Mix 8.5 oz is easy to use. It's based on a trusted recipe since 1930 and requires only milk and egg to be ready to bake. Use this mix to make muffins, desserts and more. Available in an 8.5 oz box, it contains enough to make at least six to eight Jiffy cornbread muffins, depending on size. These make for a tasty treat at breakfast, a sweet side for lunch or dinner, or an indulgent snack during the day. Try adding some butter to one to bring out even more flavor.