For the dough, knead the butter, sugar, egg yolk, flour and salt with the dough hook of the hand mixer. Pour into a greased springform pan, push the dough up a little at the edge. Pre-bake in the preheated oven at 200 ° C top and bottom heat on the 2nd rack from the bottom for 10 minutes.
Prepare the pudding according to the instructions on the packet and let it cool down a little.
Peel, core, quarter and slice the apples and drizzle with the lemon juice. Cover the pre-baked base with the apples.
Mix the pudding with cream cheese, cornstarch and 2 tablespoons of sugar with a whisk, pour over the apples, smooth out and bake for another 40 minutes.