3⁄4 Bring l milk, 2 tablespoons sugar, 1 pinch salt and lemon zest to the boil. Add semolina while stirring and bring to the boil once. Remove from the heat, cover and allow to swell for about 5 minutes.
Separate the egg. Beat the egg whites until stiff, adding 1 tablespoon of sugar and 1 pinch of salt. Whisk the egg yolks and 2 tbsp. milk and stir into the semolina. Fold in the beaten egg white. Immediately fill into a large bowl and let it cool down for about 2 hours.
Meanwhile boil up the nectar and 2 tablespoons of sugar. Stir starch and 2 tablespoons cold water until smooth. Bind the nectar with the mixed starch, simmer for 2-3 minutes, remove from heat. Stir in frozen raspberries.
Roast the almond slivers in a pan without fat until golden brown, take them out and let them cool down. Serve semolina flummery with warm or cold compote. Sprinkle with almond slivers and possibly cinnamon sugar.