For the semolina dumplings, bring milk, butter, 1 tablespoon sugar and 1 pinch of salt to the boil. Stir in the semolina and stir over a very low heat until the mixture separates from the bottom of the pot.
Remove from heat, first add 1 egg, then the second egg.
Form the semolina into cams with 2 moistened tablespoons. Put them into boiling salted water and let them simmer at low heat for 8-10 minutes until they rise.
In the meantime, put the lilac berry juice, apple juice, 7 tbsp. sugar and cinnamon stick into a pot and bring to the boil. Stir starch and 2 tablespoons cold water until smooth. Stir into the boiling soup and simmer for 2-3 minutes.
Wash, quarter, core and chop the apples. Steam apple pieces in the soup for 3-4 minutes. Lift out semolina dumplings, drain and add to the lilac berry soup.