Pour the rum pot fruits into a sieve, collecting the juice. Boil up the juice to 3 tablespoons. Stir 3 tablespoons of juice and starch until smooth. Wash apples, grate dry, halve and remove core generously with a ball cutter. Mix juice and fruit, fill apples with it.
Place on a baking tray lined with baking paper. Bake in a preheated oven (electric cooker: 200 °C/ circulating air: 175 °C/ gas: level 3) for approx. 15 minutes. In the meantime, roughly chop the meringue. Arrange apples and meringue on plates. Dust with cinnamon sugar