Half Moon Bar-B-Que, 8235 Georgia Avenue, Silver Spring, MD, 301-585-1290 (Metro Trip Planner – opens in new window) [Washingtonian | WaPo (Eve Zeibart), WaPo (Eric Brace) | City Paper | food-plan | Don Rockwell | openlist | Citysearch | Yelp | Gayot]
Update June 12, 2006: A commenter, tegwar, says this place closed in May, 2006. The web site (link removed) was recently changed to something unrelated to food
Recommended by Washingtonian magazine.
fyi, the half moon closed at the beginning of may 06. sad to see it go.