Osteria Rosso is in the Trupial Inn and offers gluten free pasta and pizza on Tuesdays. It's a little hard to find without GPS, but worth it. They offered GF bread and tapenade to start and a choice of any of the pastas or pizzas GF. The menu says the pasta is handmade, but I saw them measuring dried packaged GF spaghetti in the a separate area of the kitchen. We prefer dried GF pasta, so that was no problem. Most of the desserts are naturally GF (panna cotta, gelato, etc). The food was delicious, if a little bland for American tastes. It's a pretty restaurant too, and reasonably priced. Staff were very friendly and welcoming.