Carrot Cake Breakfast Cookies

Name: Carrot Cake Breakfast Cookies
Ingredients: 1 cup old-fashioned rolled oats; 1/2 cup all-purpose flour; 1/2 cup whole-wheat flour; 1 teaspoon baking powder; 1 teaspoon ground cinnamon; 1/2 teaspoon ground ginger; 1/4 teaspoon ground nutmeg; 1 cup shredded carrots; 1/2 cup unsweetened shredded coconut; 1/2 cup chopped walnuts; 1/4 cup raisins; 1/3 cup pure maple syrup; 1/3 cup neutral oil, such as canola or avocado; 1 1/2 teaspoons vanilla extract , divided; 2 ounces reduced-fat cream cheese ( 1/4 cup ), softened; 1 tablespoon plus 1 1/2 teaspoons confectioners' sugar; 1 tablespoon whole milk