I had a great pasta for dinner at La Terrazza and a salad with one of the best Italian dressings I have ever tasted. My wife enjoyed her non-GF meal as well. Great food and a nice view of the iconic Bridge in Luzern.
For GF, you are limited to pasta options. However, there are several to choose from and they all looked good.
— Very
— No gluten-free information on the menu
— Some
— Excellent