Cake with walnuts and eurocream

A great combination of walnut and eurocream. One very generous and creamy cake.
Cocoa cover:
4 eggs
100 gr of sugar
2 teaspoons of cocoa
2 tablespoons of flour
1 baking powder

2 sheets of walnut:
5 belans
100 gr of sugar
12 tablespoons of ground nuts
2 tablespoons of flour
1 baking powder

Fil:
10 egg yolks
300 gr of sugar
8 tablespoons of flour
1 l of milk
250 gr margarine
200 gr of powdered sugar
2 cream of vanilla cream (2 packs of 40 gr)
300 gr eurocream
250 ml of sweet cream
10 tablespoons of ground nuts
Preparation:

Pour the foamy belt with sugar and add the yolk again, moisten again. In the end, mix flour, cocoa and baking powder.
Bake in a pre-heated oven at 180 degrees for about 20 minutes in a plunger approximately 35 x 20 cm.
Then pour the foamy sugar with sugar and add walnuts, flour and baking powder to the oven at 180 degrees for about 15 minutes in the same platter 2 of this cover. (double action goes for 2 covers)
For filling mix yolks, sugar, flour and a little cold milk and put the rest to spin.
Boil the mixture into boiling milk and mix until it is thickened.
Remove from the fire and add the ground walnuts and mix until they are seated, cover with foil or bag and leave to cool.
Pour the foamy margarine with powdered sugar and add cooled walnuts and wrap it all together.
Especially fold the sweet sour cream and add it to the fill.
In the end, add euro cream and whipped vanilla cream (unshaken, so powdered) and all well-faded.
You'll need a larger plastic container.
In a bowl in which the bark sangs put the bag and the first cocoa beans.
Sprinkle with milk and coat with a quarter fill. Put a second bark, a quarter of a fill, a third bark and a quarter of a file again.
Put a bag or foil over again, do not press it hard and put everything in the refrigerator overnight and switch the whole cake to the tray on the next day, then lift up one piece and bring up the bag, and the other part and pull out the bag.
Ease the method into the freezer at 3h and then double the spin on the spot to remove the bag. Turn to the point, remove the bag and then turn to the second point. As you wish.
The rest of the fill, save and soak the cake around and decorate as desired.

Pleasant.