Umberto ★ 4.5
Umberto in Naples' Chiaia has held AIC Italian Celiac Association certification since 2016, baking gluten-free pizza in a dedicated separate oven with trained staff and a full celiac menu from starters to pasta, fish and desserts.
Tip: Closed Monday. The gluten-free margherita is the benchmark order; staff are trained to advise on cross-contamination protocols.