Crumble the rusks and divide into 4 glasses. Add 2 tablespoons of liqueur to each glass. Mix 4 tablespoons of milk, pudding powder and sugar. Bring the rest of the milk to the boil, remove from the heat. Add the pudding powder and bring to the boil while stirring.
Peel and slice the bananas. Stuff the pudding onto the soaked rusks. Put them in a cold place. Serve decorated with coconut chips
Glass: Royal Copenhagen