Da Antonio
This restaurant specialises in fish and is very good, although a little pricey. It is found in front of the theater of Castelnuovo.
Tel: (+39) 0577 355321

La Bottega del 30
This is a good restaurant that is in Castelnuovo Beradenga. It specialises in local cuisine.
Tel: (+39) 0577 359226
e-mail: labottegadel30@nuovamedia.it
Closed Tuesday and Wednesday

Enoteca Bengodi
This is an Enoteca (wine specialist) in Castelnuovo which also does meals. The food is good and worth a try.
Tel: (+39) 0577 355116

Taverna di Vagliagli
Via  Del Sergente  4
This is a very good restaurant found in the old centre of Vagliagli 10km from Siena.
Tel: (+39) 0577 322532

 

Vecchia Osteria 
Ponte Bozzone (on way to Siena from Pianella)
Excellent kitchen and great choice of wines.
Tel: (+39) 0577 356809
closed Sunday

Osteria del Castello
Brolio
Home of Barone Bettino Ricasoli (1809-1880), Prime Minister of Italy after Cavour during the unification, then in 1874 the definer of the Chianti Classico formula.
Tel: (+39)  0577 747 194
Closed Thursday

La Porta del Chianti
Piazza Castelli, San Gusme
This is a beautiful restaurant in the quaint medieval castel village of San Gusme.
Closed Wednesday

Pizzeria 3 Moschettieri
Loc. San Giovanni a Cerreto
Found on the road towards Siena from Gaiole.
Tel: (+39) 0577 363033 

L'Antico Detto
Via del Sergente
Vagliagli
This is an excellent restaurant that not only has good food but also reasonable prices. Every night has a different theme, make sure you book for Thursday, Friday and Saturday nights.
Tel: (+39) 0577 322732