Unrealistically delicious cake with almost no baking. Mousse cake with incredibly tender filling 

Cake recipe:
Biscuit Recipe:
5 eggs
Sugar-150 gr
Flour-150 gr
Butter-75 gr
Blackberry Confit Recipe:
Pitted Blackberry Puree-150 gr
Sugar-50 gr
Pectin or corn starch-5 gr
Gelatin 5 gr
Water-30 gr
Lemon Kurdish Recipe:
Lemon juice-30 gr
Zest of half a lemon
Sugar-50 gr
Butter-75 gr
1 yolk
Egg 30 gr
Gelatin-2 gr
Water-12 gr
Crispy Layer:
Ground wafers-20 gr
White Chocolate-50 gr
Peanut Butter 30 g
How to make mousse:
Milk-300 gr
Yolk-90 gr
Sugar 110 gr
Cream 33% -300 gr
Gelatin-14 gr
Water-196 gr