Short Bread Suprise

this is a combination of my two instructables shortbread and cookies and cream biscuits it a short bread shell and then has the soft gooey cookies and cream in the middle preheat oven to 180 *c    
INGREDIENTS

short bread shell 
225g (8ozs) butter
125g (4ozs) icing sugar
125g (4ozs) cornflour
225g (8ozs) flour

middle biscuit (filling) 
BISCUIT
125g butter
1/2cup soft brown sugar
1/2 cup white sugar
1 egg
1 1/4 self raising flour sifted
2 tbsp baking coca
drop vanilla essence
ICING
1 cup icing sugar
tbsp soft butter
tsp boiling water
drop vanilla essence

Step 1: Chocolate Biscuit Middle

add butter and both brown and white sugar into a large mixing bowl use a electric beater to cream the butter and sugar, beat in egg, sift in flour and baking cocoa, roll out the mixture to about 1cm, cut using a biscuit cutter, place on a greased tray, put in oven and bake for 5 minutes at 180*c because when you put the biscuit in the middle of the short bread it will cook more and you dont want it to burn it, cool on a wire rack, once cool make icing, cream 1 tbsp butter, add 1 cup of icing sugar, add tsp of boiling water and drop of vanilla, mix till soft and creamy, put icing on a biscuit, then a biscuit on top.

Step 2: Shortbread Shell

cream butter and icing sugar together well, add sifted flour and cornflour. knead well, roll out to a 1cm thickness and use a big biscuit cutter to cut the biscuit shells out.

Step 3: Combining

put the half cooked cookies and cream biscuits in the middle of the bigger uncooked short bread shell disks and fold the edges over  and add a little extra short bread dough if needed to cover the cookies and cream biscuit, prick the shell and cook for 20-30 minutes at 150*c , put on wire rack to cool and enjoy