From Il Barone Rampante by Italo Calvino:
...che venisse a tavola con una tasca piena d’ossicini già spolpati, da lasciare nel suo piatto al posto dei quarti di tacchino fatti sparire sani sani.
I get the sense - the nobleman is stuffing his pockets with large bits of turkey and replacing them with little bones he's prepared specially for this purpose. But what does the expression "sani sani" mean ? I can't find it in my dictionary under sano or easily online.