Recipe: Morning Glory Sweet Potato Muffins

Name: Recipe: Morning Glory Sweet Potato Muffins
Ingredients: 1/2 cup raisins; 1/3 cup apple cider or apple juice; 1 medium sweet potato, peeled, about 6 ounces; 1 medium tart apple, peeled; 2 cups whole-wheat flour; 3/4 cup packed brown sugar; 2 teaspoons baking soda; 2 teaspoons ground cinnamon; 1 teaspoon ground ginger; 1/4 teaspoon fine salt; 3 large eggs, beaten; 3/4 cup canola or vegetable oil; 1 teaspoon vanilla extract; 1/2 cup chopped walnuts; 1/2 cup unsweetened, shredded coconut; 1/4 cup rolled oats, for topping (optional)