Custard apple cake: how to make a soft cake in no time!

Preheat the oven to 180C.
Beat eggs and sugar until pale and frothy.
Add vanilla, salt, milk and vegetable oil.
Separately whisk the flour with the baking powder and add it in the liquids a tablespoon at a time, while working the dough with a hand mixer.
Peel and cut an apple and add it to the dough.
Pour the batter into a buttered 24 cm mold. Spoon half the pastry cream on top, garnish with apple slices and cover with the rest of the cream.
Bake for 50 minutes and let cool before serving.