Thomas, the brasserie

You'll find Thomas tucked away on Pontcanna Street, in that bit of Cardiff where the locals actually live rather than just pass through. It's the kind of place that doesn't need to shout about itself—word of mouth has done the heavy lifting, hence those 493 five-star reviews stacked up on Google. The brasserie does what it does brilliantly: classic French dishes executed with proper technique, but without any of the stuffiness that can come with that territory. Expect confident cooking, proper service, and a neighbourhood crowd who clearly know their way around a wine list.