Crockpot Chicken and Wild Rice Soup

Ingredients

• 1 lb boneless, skinless chicken breasts or thighs
• 1 cup wild rice, rinsed
• 1 small onion, diced
• 3 carrots, diced
• 3 celery stalks, diced
• 3 cloves garlic, minced
• 6 cups low-sodium chicken broth
• 1 tsp dried thyme
• 1 tsp dried parsley
• 1/2 tsp dried rosemary
• 1/2 tsp black pepper
• 1/2 tsp salt (adjust to taste)
• 1 bay leaf
• 1 cup whole milk or heavy cream
• 2 tbsp unsalted butter
• 2 tbsp all-purpose flour
• 1/2 cup grated Parmesan cheese (optional)