Bran Muffins
["4 eggs, beaten", "1 quart buttermilk", "5 tsp. baking soda", "3 c. sugar", "5 c. unsifted flour", "1 c. shortening, oil, or butter", "1 15 oz. box raisin bran flakes"]
["Mix and store in refrigerator. Let stand at least 2 days before using. Keeps up to 6 weeks. Bake in greased muffin pans at 400 for 15 minutes. Yields 6 dozen. These can be baked immediately after mixing if you desire."]
["eggs", "buttermilk", "baking soda", "sugar", "flour", "shortening"]