1 box Kellogg's Bran Flakes or Raisin Bran (15-16 oz. box)
2 1/2 c. sugar
5 c. all-purpose flour
1 qt. buttermilk
1 c. oil
5 tsp. baking soda
1 tsp. salt
1/2 tsp. cinnamon
4 eggs, beaten

Mix bran flakes, sugar, flour, salt and baking soda in a very large bowl. Add eggs, oil and buttermilk; mix well. Store tightly covered in refrigerator. When ready to cook, fill greased muffin pans 2/3 full. Bake 15-18 minutes at 375°F. Will keep in refrigerator for 6 weeks.

Makes about 48 good sized muffins.