Krispy Kreme is giving away free doughnuts until January 27

Photo illustration by Joe Raedle/Getty Images

Free doughnuts are a thing – for a limited time.

Krispy Kreme customers who purchase a dozen original glazed doughnuts, can get another dozen for free. The offer is available until January 27.

In order to take advantage, a customer will need to sign up for the Krispy Kreme rewards program.