Slow Cooker or Crock Pot Creamy Turkey Rice Soup

Name: Slow Cooker or Crock Pot Creamy Turkey Rice Soup
Ingredients: 2 tablespoons olive oil; 1 1/2 cups chopped onion; 1 cup finely chopped carrots; 1 1/2 cups finely diced celery; 8 ounces cremini mushrooms, chopped; 2 tablespoons minced fresh sage; 2 teaspoons kosher salt; 1 teaspoon ground black pepper; 4 cups shredded cooked turkey, about 1 pound; 3/4 cup wild rice blend mix, soaked overnight and rinsed; 3/4 cup short grain brown rice, soaked overnight and rinsed; 8 cups turkey broth; 4 cups chopped kale; 3/4 cup heavy cream; fresh parsley, for garnish