We tried freezing bottles of milk, coke etc and weren't allowed to bring them through, on the basis they could "become liquid"!!!
You could put up with the rules if they made sense, but they don't! I cannot bring a sealed pint of milk bought from the landside Boots through security. I can however buy a pint of milk (presumably from the same delivery) from the airside branch of Boots!!!
I can also bring any old milk from home through security as long as it is in 100ml containers in a plastic bag! What is more of a risk - a sealed pint from a known airport supplier or some unsealed 100ml bottles of white liquid that don't get tested and could contain anything?
Oh and jelly.... that's definitely NOT allowed! Any flavour.
The other annoying thing is that can't buy milk airside at night as all the shops close.... try doing a nightshift with no tea or coffee to keep you going!!!