Basic crust for 22cm pie shell
100g butter
225g digestive biscuits, crushed
2 tblspns brown sugar
Microwave butter in a pie plate for 45-60 seconds.
Stir in biscuit crumbs and sugar and press against bottom and sides of plate.
Microwave on High for 1.5 minutes.
Cool.
Put 1L ice-cream in crust.
Pour kahlua liquor over top and decorate with whipped cream.