Apple pie with vanilla custard

Ingredients:
•155 grams of sugar
•250 grams of butter
•a little salt
•250 g of flour
•2 sachets of vanilla sugar •
2 packets of powdered custard •
1 packet of baking powder •
3 eggs
•155 ml of milk
•3 large apples
Preparation:
(Preheat the oven to 180-190 °C and grease a springform pan with a little butter).

1. To start with, mix the vanilla sugar with the butter, sugar and a little salt until frothy. Then gradually incorporate the eggs. Now add the flour, baking powder and vanilla pudding powder and mix well and gradually add the milk.
2. Now wash the apples, peel them, remove the core and cut them into pieces as you like. Now add the pieces of apple to the batter with the spatula.
3. Finally, fill the batter with the apple pieces in the rectangular springform pan and on the middle shelf 40-50