See below ingredients and instructions of the recipe
1 Litre (2 US pints) chocolate 2 sm (125 g, 5 oz) cartons
Milk (skimmed or Low-fat toffee-flavoured
2 tb Custard powder 3 Bananas
Make the custard with the chocolate milk and the custard powder - no
sugar is necessary. Allow to become cold. When it is, pour over the
sliced bananas, and stir in the yogurt. Refrigerate until wanted.
Serves 6 or more, I should think.