Step 1

Preheat your oven to 350 degrees.

Step 2

Line a muffin tin with paper liners. Set aside.

Step 3

In a large mixing bowl combine the buttermilk and bran flakes. Let sit for at least 15 minutes, stirring a few times.

Step 4

In a separate bowl whisk together the oil and eggs.

Step 5

Stir in both sugars and vanilla.

Step 6

Then stir in the bran mixture and raisins. Mix well.

Step 7

In a separate bowl, whisk together the flour, baking soda, baking powder and salt.

Step 8

Combine the bran mix with the flour mix.

Step 9

Fill muffin cups about 2/3 full.

Step 10

Bake for 25 minutes.

Step 11

Let the muffins cool in the pan for 5 minutes, then remove them and place on a cooling rack.