Press Schichtkäse vigorously in a clean tea towel until only approx. 750 g Schichtkäse is left. Stir with egg, egg yolk, semolina, sugar, orange peel and 1 pinch of salt until smooth. Chill for about 2 hours.
Form 12-16 dumplings from the mass with floured hands. Press a small hollow into each dumpling and carefully pour in about 1/2 tsp. plum jam. Close the dumpling mass again. Put them into boiling, slightly salted water and let them simmer for about 15 minutes
Roast the flaked almonds in a pan without fat until golden brown, remove. Roast breadcrumbs in hot butter until golden brown. Remove from heat. Lift out dumplings, drain well and roll in breadcrumbs. Decorate with flaked almonds, icing sugar and lemon balm. Serve with: vanilla sauce