Now Baking: Cardamom Ginger Apple Cake

Name: Now Baking: Cardamom Ginger Apple Cake
Ingredients: 3 cups all-purpose flour; 1 teaspoon baking soda; 2 teaspoons ground cardamom; 1/2 teaspoon ground ginger; 1/2 teaspoon kosher salt; 1 1/4 cups canola oil; 1/2 cup sour cream; 1 1/4 cups dark brown sugar; 1/2 cup granulated sugar; 3 large eggs; 2 teaspoons vanilla extract; 2 cups grated, peeled apple; 2 cups diced, peeled apple; 1/2 cup apple cider; 1/2 cup sugar; 5 cardamom pods; 1/2 cup dark brown sugar; 1/3 cup heavy cream; 1/4 cup butter; 1/4 teaspoon kosher salt; 1/2 teaspoon vanilla extract; 3/4 cup powdered sugar