Creamy Wild Rice and Mushroom Soup

Ingredients

• 2 tablespoons olive oil
• 2 cups peeled and diced carrots
• 1 1/2 cups diced celery
• 1 medium onion, peeled and chopped
• 1 pound mushrooms, cleaned and sliced
• 3 tablespoons flour
• 2 1/2 quarts chicken stock or chicken broth
• 3/4 cup uncooked wild rice
• 1 cup heavy cream or half-and-half
• Coarse salt and freshly ground black pepper, to taste
• 1 tablespoon chopped fresh parsley