Bizarrely, if you took the hummus out of the pot and spread it on a slice of bread, it would be considered acceptable though.
Jars of olives and gherkins also count as a liquid, even though they are mainly solids, because they contain a considerable amount of juice.
And items in cans, such as tuna, are also banned as they exceed 100ml and contain liquid, and soup counts as a liquid, not a solid.
This also means sauces, yoghurt, vinegar and oil are banned if they exceed 100ml.
But sweet treats such as caramel or liquid-filled chocolates are allowed – but must also fit in your 100ml bag, along with all your other liquids.
Hard cheese is fine in your hand luggage, but soft cheese has to go in the hold.
Of course, passengers who do plan on travelling with cheese or any other dairy product should also check any import restrictions of their destination.