1 cup of hot milk
3 eggs
4 tablespoons of butter
2 cups of demerara sugar
1 cup cocoa powder
2 cups oat flour
PREPARATION:

Beat all the dough ingredients in a mixer until all are mixed except the yeast, after mixing add the yeast and beat for about 15 seconds. Place in a greased round mold with a hole in the center. Bake for about 40 minutes in a medium oven (180 degrees).

I made the filling as follows.
4 recipes for fake condensed milk (recipe in highlights)
2 boxes of light milk cream
8 tablespoons of cocoa powder, it can be whatever you have. 32%…50%.

Mix everything in the pan, turn on the heat and when it starts to boil, wait 5 minutes and turn off the heat, wait for it to cool and fill the cake.

Cut the cake into layers and wet with a syrup of 500ml of water and 100ml of condensed milk (mix well and drizzle over the cake).

after the cake, filling, cake filling (water the cake with the syrup.

Render 24 slices of cake. The lunch box is 220 ml.

if you are going to make fillings, put only half a cup of demerara sugar.
Ganache:

300 g of melted milk chocolate and half a box of light milk creme.
Mix everything together and pour it over the cake.