The base is a pretty standard biscuit dough, with a little added treacle to give it that distinctive caramel flavour, and it is very straightforward to make.
Times, Sunday Times (2016)
The butter gives more caramel flavour and the lard fries the sides to make the sugar really crispy.
Times, Sunday Times (2007)
They are low calorie and have a caramel flavour, so they taste as good as your conscience feels.
Times, Sunday Times (2017)