Cafecito on C between 11th and 12th has nice Cuban food. Esperanto on C and 9th is also good (Latin food). There's also Royale at C and 10th for burgers, Tigerland at A between 5th & 6th for pan-asian, Supper on 2nd between A&B for Italian, and Minca at 5th between A & B if you like ramen...