Early this afternoon Companies 6 5 1 and Truck 4 were dispatched for an automatic fire alarm reported as first floor smoke detector. After arriving on scene command had a crew from ENG 62 check the front of the building and a crew from Quint 1 check the rear. Command was advised by dispatch that there are now reports of smoke detector activations in the basement and second floor as well. Quint 1 reported a smell of burnt food near the rear door and entry was made into the building. Crews found a pot on the stove causing the smoke condition. Crews ventilated the structure. The incident was cleaned up and clear in about 45 minutes.