The original posset was a drink of hot milk, spices curdled with wine, beer or vinegar used to cure colds. It moved on from the original spicy custard with strong alchol content to sweet dessert.
Mine is a LIME POSSET RECIPE found in the free ASDA Magazine.
Put the grated zest of 3 limes , 125ml freshly squeezed lime juice and 3 tbsp lime cordial in a bowl and chill 15 minutes to let the flavours infuse. Put a 397g can condensed milk and 150ml double cream in a bowl and whip for about 3 minutes or until it thickens slightly. Add the lime mixture and whisk for 1-2 minutes or until it starts to thicken. Spoon into six glasses and chill. serves 6