In a large bowl, add the egg, the refined sugar, the softened butter and mix everything very well until combined.
Add the wheat flour, the baking powder, a pinch of salt and mix until it becomes a smooth and even dough.
Next, add the vanilla essence, the milk chocolate chips and mix to combine.
Transfer this dough to a large baking dish and spread it evenly.
Add the cherry jam and spread it.
Then, add the condensed milk, the milk chocolate chips, cover with the vanilla-flavored cake mix and spread it evenly.
Add the sliced unsalted butter, one next to the other.
Take the dessert to a preheated oven at 180° C (350° F) and bake for 35 minutes.
Serve.