- STEP 1
Preheat the oven to 160 C
- STEP 2
Place the flour, butter and sugar in a bowl. Rub together with your fingers until fine breadcrumbs.
- STEP 3
Mix the vanilla extract and a little milk together in a bowl and add to the dough mixture (breadcrumbs) until the mixture sticks together.
- STEP 4
Place on a floured surface and roll out, mold to prefered shape. Cook for 12 minutes and then leave to cool before spreading chocolate filling.
- STEP 5
Whilst waiting for biscuits to cool, make the chocolate filling..
Sift cocoa and icing sugar into a bowl. Make a well in the centre and add the butter, then the hot water. Beat well till smooth and spreadable.
- STEP 6
Sprinkle caster sugar over all biscuits