Preheat the oven to 180°C/350°F.
Heat a thick-bottomed skillet on medium heat. Add the butter and cook until brown, it will have a nutty aroma.
In a medium bowl, melt the 230 g Guittard Lever du Soleil 61% Dark Couverture Chocolate Wafers in a microwave.
Pour the brown butter over the chocolate. Stir together until the mixture is smooth.
Whisk in the granulated sugar and 10 g Vanilla Bean Paste.
Add eggs one at a time, whisking well after each addition.
Sift in the 125 g deZaan Holland Rich Terracotta 20/22% Dutched Cocoa Powder and whisk until just combined.
Pour the batter into a round baking pan.
Bake until a wooden pick inserted in the center of the cake comes out clean, about 35-40 minutes.
Unmold and dust cake with Dark Chocolate Shavings and decorate with fresh berries, La Maison du Fruit Confit Candied Orange Peel Strips, and edible flowers.