Excellent gluten-free gelato and sorbets in central Chiado with standout pistachio and decadent hot chocolate, but small space, occasional slow or curt service, and early closing inconsistencies.
GROM delivers exceptional gelato quality—particularly the celebrated pistachio and rich hot chocolate—with thoughtful gluten-free and vegan options that set it apart. However, inconsistent service attentiveness, slow peak-time queues, and minimal seating prevent a higher grade. It's a worthwhile stop for quality gelato in Chiado's prime location, but operational friction limits it from competing with the area's most polished dessert destinations.
One caveat: Queues can be slow; several guests reported 10–20 minute waits at peak