Better Bran Muffins

Makes 12 muffins
1 cup raisins, 1 teaspoon water, 2 1/4 cups All-Bran Original sereal. 1 1/2 cups all-purpose flour, 1/2 cup whole wheat flour, 2 teaspoon baking soda, 1/2 teaspoon salt, 1 large egg, 1 large yolk, 2/3 cup packed light brown sugar, 3 tablespoon