Six fire engines and around 40 firefighters tackled a warehouse fire on Rainsford Road in Park Royal.
Half of a deep fat fryer in an industrial kitchen on the ground floor of the three-storey warehouse was destroyed by fire. There were no reports of any injuries.
The Brigade was called at 2010 and the fire was under control by 2231. Crews from Wembley, Park Royal, Acton and surrounding fire stations attended the scene.
The cause of the fire is under investigation.