1. For the dough, mix flour, baking powder, butter, a pinch of salt, egg yolks, and 40g of sugar until a smooth dough forms. Press into a 20 cm pie pan.
2. For the apple layer, slice the apples and mix them with 40g of sugar and lemon juice. Arrange them on the dough.
3. Bake at 170°C (338°F) for 40-45 minutes or until the apples are tender.
4. For the soufflé cream, beat 2 egg whites with 40g sugar and vanilla sugar until stiff peaks form.
5. Mix natural yogurt (or sour cream) with cornstarch and gently fold in the beaten egg whites.
6. Spread the soufflé cream over the baked apple pie.
7. Chill and enjoy your melt-in-your-mouth dessert!

1. For the dough, mix flour, baking powder, butter, a pinch of salt, egg yolks, and 40g of sugar until a smooth dough forms. Press into a 20 cm pie pan.
2. For the apple layer, slice the apples and mix them with 40g of sugar and lemon juice. Arrange them on the dough.
3. Bake at 170°C (338°F) for 40-45 minutes or until the apples are tender.
4. For the soufflé cream, beat 2 egg whites with 40g sugar and vanilla sugar until stiff peaks form.
5. Mix natural yogurt (or sour cream) with cornstarch and gently fold in the beaten egg whites.
6. Spread the soufflé cream over the baked apple pie.
7. Chill and enjoy your melt-in-your-mouth dessert!