Refrigerator Bran Muffins

This recipes makes a lot!!! But you can store the batter in your fridge and pull it out whenever you wake up and feel like muffins. They are really yummy too!

1 (15 oz) box of wheat bran flakes cereal (with or without raisins)
5 cups flour (I used 3 cups of wheat)
3 cups sugar
1 Tbsp plus 2 tsp baking soda
1 tsp salt
4 eggs, beaten
1 quart buttermilk
1 cup butter, melted

Combine first 5 ingredients in a large bowl. Break up the cereal while you stir. Make a well in center of mixture. Combine eggs, buttermilk, and butter; add to dry ingredients, stirring just until moistened. Cover batter and store in refrigerator up to 6 weeks.
When ready to bake, spoon batter into greased muffin pans, filling two-thirds full. Bake at 350 for 20 minutes. Remove from pans immediately. Makes 5 1/2 dozen