A fire was reported at the Halifax site at Bailey Hall Mills, Halifax, shortly after 5am on Friday May 15.
The fire was contained to one plant room, Nestle UK told the Yorkshire Evening Post.
Production is set to restart later today as the company investigate internally to establish the cause of the fire.
Nobody was hurt in the blaze, it was confirmed.
A spokesman from Nestle said: "A fire was reported at our Halifax site at around 5am on Friday 15 May.
"The fire was reported in one of the factories, everyone was safely evacuated, and no-one was hurt.
"Our thanks to West Yorkshire Fire and Rescue Service who attended.
"We will now investigate internally to establish the cause of the fire."
West Yorkshire Fire and Rescue Service attended the scene this morning.
Six breathing apparatus wearers entered the factory to dampen the fire.
A dry powder extinguisher and positive pressure ventilation fans were also used by crews.
Crews from Halifax, Illingworth, Rastrick and an areial appliance from Huddersfield attended.
A message from the Editor:
Thank you for reading this story on our website. These are challenging times but the team at the Yorkshire Evening Post need your support more than ever in the weeks ahead.
While I have your attention, I also have an important request to make of you. In order for us to continue to provide high quality and trusted local news on this free-to-read site, I am asking you - wherever possible and providing it is safe for you to do so - to also please purchase a copy of our newspaper.
Inevitably falling advertising revenues will start to have an impact on local newspapers and the way we continue to work during this period of uncertainty. So the support of our readers has never been more important as we try to make sure that we keep you connected with the city you live in during this time. But being your eyes and ears comes at a price. We need your support more than ever to buy our newspapers during this crisis.
Our team of trusted reporters are working incredibly hard behind the scenes - from kitchen tables and spare bedrooms - to look at how we can do this and your continued support to the YEP will help to protect its viability in the days and weeks ahead.
For more details on our subscription offers please visit www.localsubsplus.co.uk/YEP, email [email protected] or call us on 0330 4033004