Chocolate and Vanilla Biscuits

Ingredients

250 gr flour
125 gr butter
125 sugar
1 egg
70 gr dark chocolate (70%)
vanilla
pinch of salt


First of all mix the flour and the sugar then the butter, rubbing it in until all nicely mixed then add the egg salt, vanilla. Mix until nice and smooth then add the chopped chocolate and leave to rest in the fridge for an hour.
Take out of the fridge and roll the pastry about 2mm thick. Cut in whatever shape you like and place them in an oven metal tin and cook for about 10 minutes at 160 degree. When ready place them to cool on a metal wire.