Bring the milk to the boil, stir in the semolina and cook for 5 minutes. Beat the egg until smooth and mix with the salt, half of the sugar, 50 g butter and the semolina. Pour half of the porridge into a buttered, ovenproof dish. Peel, core and grate the apples. Spread on the porridge and sprinkle with cinnamon, the remaining sugar and some of the almonds. Put the remaining semolina on the apples and sprinkle with the remaining almonds. Put the remaining butter in flakes on the cake.
Bake in a hot oven at 220 ° C for about 20 minutes.