Ingredients

1 cup raisins 

1 cup wheat bran 

1 cup all-purpose flour, (spooned and leveled) 

3/4 cup whole-wheat flour (spooned and leveled) 

1 teaspoon baking powder 

1/2 teaspoon baking soda 

1 teaspoon coarse salt 

1/2 cup plain low-fat yogurt 

1/4 cup packed dark-brown sugar 

1/2 cup molasses 

1/2 cup (1 stick) unsalted butter, melted 

1 large egg 

1 can (20 ounces) pineapple chunks, drained and chopped 

Preparation

Preheat oven to 350 degrees. Line two 12-cup muffin pans with 18 paper liners. Soak raisins in 1 cup hot water until soft, about 10 minutes; drain raisins and transfer to a food processor. Puree until smooth, about 30 seconds.

In a medium bowl, combine bran, flours, baking powder, baking soda, and salt. In a large bowl, stir together yogurt, brown sugar, molasses, butter, egg, and raisin puree. Add dry ingredients and stir to combine; fold in pineapple. Divide batter evenly among liners. Bake until a toothpick inserted in center of a muffin comes out clean, about 25 minutes, rotating pans halfway through.