Creamy Cabbage and Kielbasa Soup

Name: Creamy Cabbage and Kielbasa Soup
Prep time: 5 min
Cook time: 30 min
Total time: 35 min
Cuisine: European
Ingredients: 3 tablespoons unsalted butter; 1 medium yellow onion (, chopped); 2 large carrots (, diced); 2 large ribs celery (, diced); 2 cloves garlic (, minced); 1 large head green cabbage (, roughly chopped); 14 ounces quality smoked kielbasa sausage (, sliced in 1/8 thick rounds); 1/2 teaspoon dried thyme; 1 teaspoon salt; 1/2 teaspoon freshly ground black pepper; 1/2 teaspoon crushed caraway seeds; 4 tablespoons all-purpose flour; 1 bay leaf; 4 cups quality chicken broth; 1 tablespoon chicken bouillon base ((e.g., Better Than Bouillon, or two bouillon cubes)); 1 cup heavy cream; chopped parsley for garnish