step 1
Add melted margarine to crushed biscuits and blend well. Press mixture into the base and partway up sides of an 20cm loose bottomed cake tin.
step 2
Break chocolate into piece's, save 2/3 piece's to decorate. Melt chocolate in a micowave on high for 1.5 mins, stirring halfway. Mix in the carnation caramel. Spread filling over pie base and chill in fridge for 1hour, until firm.
step 3
Slice the bananas, fold into whipped cream and spoon over filling. Decorate with melted chocolate or you can dust with coco powder.