Slow Cooker Creamy Chicken & Potato Soup

Name: Slow Cooker Creamy Chicken & Potato Soup
Prep time: 30 min
Cook time: 6 h
Total time: 6 h 30 min
Yield: 8
Ingredients: Ingredients; 2 lbs boneless, skinless chicken breasts or thighs; 2 lbs russet potatoes, peeled and diced into 1-inch cubes; 1 large onion, diced; 3 carrots, peeled and sliced; 3 celery stalks, diced; 4 cloves garlic, minced; 6 cups low-sodium chicken broth; 2 bay leaves; 1 teaspoon dried thyme; 1 teaspoon dried rosemary; 1 teaspoon salt (or to taste); 1/2 teaspoon black pepper; 1/2 cup heavy cream; 3 tablespoons cornstarch; 1/4 cup cold water; 2 tablespoons fresh parsley, chopped; 2 green onions, sliced (optional)