1 round (8 ounces) Brie cheese, rind removed and chopped
In a Dutch oven, saute the onion, celery and carrot in butter until crisp-tender. Add garlic; saute for 1 minute more. Stir in the broth, salt and pepper. Bring to a boil. Reduce heat; simmer, uncovered, for 10 minutes.
Combine flour and cream until smooth; gradually stir into soup. Bring to a boil; cook and stir for 2 minutes. Stir in the chicken, spinach and cheese. Cook and stir for 5 minutes or until cheese is melted.