Fattoria degli Usignoli is exactly how I had pictured a Tuscan hotel. The grounds were beautiful, and a perfect place to relax. We visited in April so it was quiet except for the workers bustling about getting ready for the tourist season. The owner was accommodating, but quite reserved. The rest of the staff were extremely friendly, especially the girl who served the breakfast area by herself and also helped in the restaurant at night.
The breakfast buffet was substantial. In addition to the typical Italian breakfast of a croissant and coffee (which was served with hot, steamed milk in a separate pitcher) were plates of prosciutto cotto, salumi and cheese as well as hard boiled eggs, breads, yogurt, canned fruits, cereal, juice and milk. Nothing exotic, but tasty.
The hotel's restaurant is adequate with a nice atmosphere, but not the best food we had in Italy by any means. However, not many other restaurant options close by. Pastas are probably a better choice than sides or main dishes. Gnocci with leeks and pasta with mushrooms were both good. Ribeye steak came sliced over arugula. Flavor was good, but the quality of the meat was not.
Our issue with this hotel was finding it after dark. Directions on Google are not the same way the hotel recommends from Florence. After describing where we were, a staff member kindly came to get us in a nearby church parking lot.
I would go back now knowing how to get there, but most importantly would make sure my GPS was working!