Pour 2 cups of the bran cereal in large bowl and pour boiling water over it. Stir and set aside while assembling other ingredients.
In a second large bowl, mix together remainder of bran cereal, melted coconut oil, sugar, eggs and buttermilk.
Sift together flour, baking soda and salt over the second large bowl.
Add bowl of cereal covered in boiling water (that you set aside at the beginning of your recipe) to the second bowl.
Stir all ingredients to combine.
Cover and store in refrigerator overnight.
Preheat oven to 400 degrees.
Grease muffin tins and scoop batter into tin.
Bake for 20 minutes, or until a toothpick is inserted in the middle of a muffin and it comes out clean.
Enjoy warm with honey butter and a cup of hot coffee! Batter will keep in refrigerator for 6 weeks.