For 200 years we have been putting it on our roast beef and our pork pies, and to celebrate Colman's Mustard in Norwich have released a set of archive photos.
Click below to watch Kate Prout's report:
More top news
A cloudy start in the Anglia region with some rain. However drier, brighter conditions will spread in from the northwest during the morning.
Cloudy overnight in the Anglia region with some rain. Becoming fine and dry on Monday.
Saints face trip to Clermont Auvergne after heavy loss against Racing Metro