the yellow-orange colouring would suggest the flavour to be
'processed'
(
Sir Sand GOBLIN ^popular page dis,
Mon 12 Jan 2004, 23:56,
archived)
According to the packet
they contain all natural ingredients.
In fact they actually list dried mature cheddar under the list of ingredients.
(
HP hasn't been here in aaaaaages,
Mon 12 Jan 2004, 23:59,
archived)