Boqueria, a New York tapas chain recently opened in Colony Square, is a high-end, modern restaurant with broad appeal.

The longtime-catering concept from Daniel López and Camilo Franco is soon to become brick-and-mortar as Paseo is set to open in March at The Commons.

Main event: the food. Give us the lowdown—especially what not to miss. If you ask a group of Barcelonians to name their favorite tapas bars, one spot that will come up over and over again is Bar ...