Soak the gelatine in cold water. Mix yoghurt, 50 g sugar and liqueur. Squeeze the gelatine and dissolve at low heat. Mix with 2-3 tbsp yoghurt, then stir into the remaining yoghurt.
Chill until the mixture is half firm. Whip cream until stiff and fold in. Pour into 4 cold rinsed moulds (each with a capacity of approx. 1/8 l). Chill for at least 4 hours.
Wash, halve and stone the plums. Steam them covered with 1/8 l water, 50 g sugar and spices for about 5 minutes. Stir starch and 3 tbsp. water until smooth. Bind the compote with it. Let cool off.
Remove spices if necessary. Roast almonds without fat. Turn out the cream. Serve with the compote. Sprinkle with almonds and icing sugar