If you want to stay on a genuine, working agriturismo in Tuscany, you'll enjoy Podere dell'Anselmo! This farm is just about a 25 minute drive south of Florence, out in the beautiful Tuscan countryside, surrounded by vineyard- and olive grove-covered hills.
The staff here made us feel very welcome and everyone was very friendly and hospitable! We stayed in the "Maria" apartment, which was very large and had a nice view looking out toward the pool from the terrace. The kitchen was adequate, but note that due to the fact that this a farm (with horses but a few hundred yards away), there were a lot of flies. We did manage to eat outdoors on the terrace many times, but the flies did drive us inside many more. It wasn't unbearable, so don't let it deter you, just an annoyance that shouldn't reflect poorly on this B&B at all.
We enjoyed watching the owners make wine from their own grapes, and we were excited to bring home a couple bottles each of their wine and olive oil. They do have a restaurant on site if you don't want to cook for yourself your whole stay.
We enjoyed walking around the area, going horseback riding and visiting some of the other Tuscan towns. Overall a very enjoyable stay!