Sardinian cuisine varies just as much as its landscapes do.  If you should find yourself out and about on this enchanting Island, make sure to take advantage of the opportunity and learn something about its authentic gastronomic products. 
Sardegna.com can recommend only a few possible cultural/wine & gastronomic itineraries due to the immense richness and variety of Sardinian cuisine.
Why not enjoy yourselves discovering others!

Campidano, Marmilla, Parteolla and Trexenta
Bosa and surroundings
Nuoro and surroundings
Gastronomy in Gennargentu
Supramonte and Dorgali
Gastronomy in Ogliastra