Mix bran with 1 cup boiling water, cool completely.
Add eggs, buttermilk, oil ad raisins.
Stir until blended.
In a separate bowl, mix baking soda, sugar, flour and salt. Stir this dry mix into the bran mixture. Blend well.
Spoon into well greased muffin tin.
Bake at 400 degrees for 20 minutes.