My late mother made lovely peanut biscuits, really crispy and melt in the mouth. Not very healthy though. I now avoid biscuits. I do like those posh biscuits dipped in good quality chocolate. I think Foxes make some.
If you want to be grossly indulgent try biting off opposite corners of a penguin biscuit. Put one corner in your cup of tea and suck up some tea through the other corner and pop it into your mouth. You have to be fairly quick because the hot tea tends to melt the biscuit.