In large bowl combine: 5 tsp. soda 4 c. All Bran 5 c. flour 1 lb. raisins 2 1/2 c. sugar 1 qt. buttermilk 4 eggs 1 1/2 tsp. salt 2 c. walnuts (optional)

Mix all together then add the first bran mixture. Make 10 or more dozen muffins. (Unused portions may be kept in refrigerator until needed, 3 to 6 weeks.) Bake at 400 degrees 20 to 25 minutes.