Whisk together egg, flour, 3-4 tbsp. water and quark. Let the dough swell for about 10 minutes. Wash and stone plums and cut into slices. Steam covered in 3-4 tablespoons of water for 2-3 minutes.
Heat the fat in a coated pan (approx. 24 cm Ø). Add dough and bake a pancake. Fill with plums, sprinkle with almonds and icing sugar