The Queen is used to being served food prepared by some of the world's finest chefs.
And, like most other people on the planet, she also likes to have a snack every now and then.
But according to her former pilot in a report in The Mirror, the monarch opts for a very unlikely in-flight meal when she's travelling by plane.
Graham Laurie has dropped the bombshell news that Her Majesty enjoys tucking into a classic Fray Bentos pie, as it "makes a change from all that fancy food".
What's more, that's not the only royal snack preference that might raise an eyebrow or two.
Find out more in the video above.