Chocolate Fudge Cake

Name: Chocolate Fudge Cake
Prep time: 15 min
Cook time: 1 h
Total time: 1 h
Yield: 12 slice
Ingredients: 200 gram butter, unsalted (from cows' milk); 200 gram dark chocolate; 100 gram water; 250 gram self-raising wheat flour; 25 gram cocoa powder (all types); 180 gram light brown sugar; 180 gram caster sugar; 3 egg, European large (63-73 g) (from chicken); 80 gram crème fraîche, min 30% fat; 200 gram dark chocolate; 200 gram butter, unsalted (from cows' milk); 200 gram icing sugar (may contain 3-5% anti-caking agent)