Pietrafitta
Panzano Road from Castellina.
Tel: +39 0577 741 123    

Il Vescovino
Panzano
This restaurant is recommended for a simple evening out.
Closed Tuesday,
Tel: +39 055 852464

Oltre il Giardino Trattoria
Panzano 
Here there is a fantastic terrace that is delightful for a lunch or dinner in the summer, or on the sunny and warmer days in the winter.
Tel: +39  055 852828

Osteria alla Piazza
Piazza, on the road from Panzano to Castellina 
Best time to enjoy the excellent food is sitting outside ("under canvas") on an early summer night.  It is always full so make sure to book.
Closed Monday
Tel: +39 0577 741 042

Osteria di Passignano
A recent addition to the Antinori wine outlet in Badia a Passignano.  A more down to earth (and much less expensive) alternative is to lunch under the pergola at the pub opposite (called Ristorante la Scuderia) and then stock up on Antinori wines over the road afterwards. 
Closed Sunday
Tel: +39 055 807 1278