1 Litre (2 US pints) chocolate  Milk (skimmed or Semi-skimmed) 2 tb Custard powder  2 sm (125 g, 5 oz) cartons  Low-fat toffee-flavoured Yogurt 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. 
 
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