Italy has ome of the finest food in the world. Venice is where it is a biggest rip-off but you can eat well even in Venice.
Too many memorable places to remember more than a fraction, but:
Venice - Acciughe (a ciccheteria), Do Mori, La Caravella
Lake Garda - La Speranzina
Verona - Il Desco
Sorrento - Il Buco
Amalfi - La Caravelle
Genoa - Tre Merli
Florence - Villa San Michele
Portofino - Hotel Splendido
Parma - Angiol d'Or
And a million etceteras