Preheat Oven to 375F
Mix all dry ingredients (flour, bran, baking powder) in a large bowl. Omit the brown sugar!
Use a whisk to mix all the dry ingredients
In a medium-sized bowl, mix all the wet ingredients plus the brown sugar
Using a spoon, mix all the wet ingredients until well blended, avoid over-mixing!
Add the raisins to the wet ingredients
Integrate the wet ingredients into the dry. I make a well to reduce clumping.
Using a scoop, pour around 1/2 cup of butter into large muffin cups Bake for about 30 minutes but start checking for doneness and burning starting at 20 minutes. They're done when a skewer inserted into the middle of a muffin, comes out clean
Cool them on a rack before removing them from the pan
Eat them warm, they can be stored in the fridge or freezer.
Murray's always served them with butter,