Time Out says
A snug Belgian place known for its mussels and frites—and Belgian beers, of course. The bar is open until 3am on Friday and Saturday.
1238 H Street, NE
|Cross street:||between 12th & 13th Streets|
|Transport:||Gallery Place-Chinatown Metro then X2 bus|
|Price:||Main courses $12-$17|
|Opening hours:||Meals served 5-10pm Mon-Thur; 11am-3pm, 5-11.30pm Fri, Sat; 11am-3pm, 5-10pm Sun. Bar 5pm-midnight Mon-Thur; 11am-3am Fri, Sat; 11am-midnight Sun|