This is an old fashioned recipe for crunchy lemon toffee. The kind that breaks your teeth! It's quite simple to make, and tasty. Using just granulated sugar, soft brown sugar, butter, and half of a lemon the juice and the rind. You need greaseproof paper (which you can buy in the baking isle of the supermarkets), and this is to stop your layers of it from sticking together. Then just put it in an airtight plastic tub and eat as desired...
Here is the Recipe