Prince Georges County?
-Da Rae Won (Beltsville): Excellent Korean-Chinese. Get the mandoo, jjajang-myun, other noodle dishes, or anything fried.
-Myong Dong (Beltsville): small Korean noodle shop. Best thing on the menu by a mile is whole fried chicken, which is excellent. Available only at dinner. At lunch, stick with the noodle dishes. Other things -- soondooboo, mandoo -- are not good here, you will have much better luck with these at Da Rae Won, which is just two blocks away.
-Gah-Rham (Beltsville): sprawling pan-Korean barbeque and sushi bar. I think this place is weaker than the other two Korean places due to lack of focus, but they do have some good dishes, and there are a number of things on the menu here not at the other places, including obviously Korean barbeque.
-Costa Alegre (Berwyn Heights): Reliably good Mexican. Best items are the tortas, tacos, and sopas.
-Taqueria Esmeralda (Berwyn Heights/CP): usually stationed in the parking lot of the Los Amigos Market, literally a few hundred yards west of Costa Alegre. They have surprisingly good tortas.
-Food Factory (CP): Afghan, excellent naan from the tandoor, very good bone-in chicken kebabs, other dishes can be hit-or-miss (but you can usually tell on sight).
-Pho Vn One (Beltsville): The best of a few very good local pho places.
-Pho 88 (Beltsville): another good pho place.
-Just Jerk (Lanham): excellent Jamaican, takeout only.
-Taqueria Tres Reyes (Riverdale): more reliably good Mexican street food, as the name implies.
-Franklin's: best brewery in the DC metro area, if you like hop- and alcohol-heavy American-style ales. Food is standard pub fare, nothing to write home about.
Da Rae Won Restaurant
5013 Garrett Ave, Beltsville, MD 20705
Franklin's General Store
5123 Baltimore Ave, Hyattsville, MD 20781
Myong Dong Restaurant
11114 Baltimore Ave, Beltsville, MD 20705
5027 Garrett Ave, Beltsville, MD 20705
Food Factory 2
8145 Baltimore Ave, College Park, MD 20740
5815 Greenbelt Rd, College Park, MD 20740
5003 Greenbelt Rd, College Park, MD 20740
Pho VN One
11000 Baltimore Ave, Beltsville, MD 20705
Pho 88 Vietnamese Restaurant
10478 Baltimore Ave, Beltsville, MD 20705
9005 Lanham Severn Rd, Lanham, MD 20706
La Taqueria Reyes
5403 Kenilworth Ave, Riverdale, MD 20737
Great list! Just wanted to add that, IMO, the best thing at Food Factory 2 is the lamb chop kabob: 3 of the best lamb chops around, includes great rice or bread - all for $9.99!
Also the mussels at Franklins are 10 times better than Belga Cafe, Beck, or anywhere else. Get the mussels!!!