Healthy Carrot Cake Muffins

Name: Healthy Carrot Cake Muffins
Ingredients: 1 ¾ cups whole-wheat pastry flour; 1 ½ teaspoons baking powder; 1 ½ teaspoons ground cinnamon; ½ teaspoon baking soda; ¼ teaspoon ground ginger; ¼ teaspoon salt; 2 large eggs; ½ cup unsweetened applesauce; ½ cup light brown sugar; ¼ cup granulated sugar; ½ cup plain whole-milk Greek yogurt, plus 2 tablespoons, divided; 1 ½ cups grated carrots (about 3 medium carrots); ½ cup toasted chopped walnuts; ⅓ cup unsifted confectioners' sugar; 1 ½ ounces reduced-fat cream cheese, softened