Put the biscuits in the freezer (fridge might work?) for 15-20 mins? 
Edit:
Didn't see that

Edit:
Lmao, bang them in the fridge.
Didn't see that

Lmao, bang them in the fridge.
cold here
<-- liverpool
the fridge is tiny and full of other peoples stuff, that combined with the fact there is a bag of salad that is leaking brown liquid in there means that theres no way in hell my biscuits are going in there.