04In a small bowl, combine flours, baking soda and salt. Add buttermilk mixture to bran, stirring to combine. Add flour mixture, dates and walnuts to bran mixture, stirring just until flour is moistened.
05Spoon into muffin cups, and bake until top springs back when lightly pressed, about 18 minutes.
06Let cool in pan 5 minutes before removing to wire rack.