Name: Buttermilk bran muffins
Ingredients: 1/2 cup unprocessed wheat bran; 1/2 cup oat bran; 1 cup buttermilk; 4 tablespoons unsalted butter, at room temperature; ¼ cup light brown sugar, lightly packed; 2 extra-large eggs, at room temperature; 6 tablespoons unsulphured molasses; ½ teaspoon pure vanilla extract; 1½ cups all-purpose flour; ¾ teaspoon baking powder; ¼ teaspoon baking soda; ½ teaspoon salt; 1/2 cup raisins; ½ cup chopped walnuts