1 stick (1/2 cup) unsalted butter, softened or 1/2 cup vegetable oil
1/4 cup firmly packed light brown sugar
1 large egg, beaten lightly
1 cup sour cream or yogurt
1/4 cup dark molasses
1/2 cup raisins, cranberries, or other diced dried fruit
1 cup all-purpose flour
1 teaspoon baking soda
1/4 teaspoon salt
1 cup miller’s bran (available at natural foods stores, specialty foods shops, and some supermarkets)
1/4 teaspoon cinnamon (optional)