Sitting outside, but next to the museum, the newish museum inside the ancient Charterhouse on the edge of the city has turned a Georgian home into its new cafe.
The Barbican has almost as many food establishments as it has concert halls and galleries, so which to choose from.
On the outskirts of Coventry is a railway museum that contains a small cafe, inside an old railway carriage.
On the weekend that the new Museum of the Mind opened at Bethlem Hospital in south London, I wandered over to its former home in Lambeth for a bite of lunch.
What was once the V&A's regional outpost in the east of London has a newish display on at the moment, and as I was sort-of local, popped over for a look and a nibble.
I was in Greenwich for an event taking place later that afternoon, so why not pop into the newish extension to the Maritime Museum for a bit of lunch while I waited.
A first museum meal of the new year and as with all new-year resolutions, time for something annoyingly healthy to offset the excesses of the past month.
At the moment, the Southbank Center has a semi-permanent display about the history of the 1951 Festival of Britain, which sort of makes at least one small corner of the estate, a museum for my purposes.
A fashion writer once told a distraught writer who couldn't think of anything nice to say when he had been told to be praiseworthy, was that there is always a shoe. In essence, find one small thing that was good, and enlarge on it.
A new gallery opened recently in the Science Museum, and a week after Her Majesty sent her first tweet, I wandered in to have a look as well.
Is a church, or a cathedral also a museum? You could look at many of them as historic buildings, and I often delight in their history and decoration, but they are also (usually) living places of worship.
Popping into the British Museum to have a look at a new exhibition and feeling peckish, I considered which of two options could be tried out. The main restaurant, or the canteen style offerings that fill the back end of the Great Court.
In a small grassy depression directly opposite the Houses of Parliament can be found a small stone tower, which happens to be a 14th century building that is open to the public as a small museum.
It's not often that you have to walk past a dozen other people's dining rooms in order to have your own lunch, unless you work in a hotel, but that is how the Geffrye museum is laid out.
One of South London's major cultural hubs is the legacy of the English obsession with a cup of tea although today it is probably more famous for a very badly stuffed walrus.