At 1740hrs Dorchester Central dispatched units for a reported "STRUCTURE FIRE" at 309 BUNKER ST in the Cambridge 1-1 Box Area. Captain 1-2 arrived on location and confirmed the EMS report of a "2 story wood frame multi-family dwelling with nothing evident from side alpha" and established command. Chief 1 arrived on location taking investigation and recommended holding to 1 engine for ventilation (burnt food on the stove). Engine 1-3 (4 w/ 1) staged at the corner of Academy/Bunker handled ventilation with positive pressure and the fire report. At 1802hrs with the situation under control Command was terminated and all units were placed in service without incident.