2 tablespoons unsalted butter
1 onion, finely chopped
2 carrots, peeled and diced
2 celery stalks, diced
3 cups cooked chicken, shredded or diced
1/4 cup all-purpose flour
4 cups chicken broth
1 cup heavy cream
1/2 teaspoon dried thyme
Salt and pepper to taste
1/4 cup fresh parsley, chopped (for garnish)
This soup can be made in advance and stored in the refrigerator for up to 3 days or frozen for longer-term enjoyment. Simply reheat gently on the stovetop before serving.