2. In a bowl, mix the mascarpone with the melted dark chocolate. Step 2:
3. Add the whole eggs, one at a time, and mix. Step 3:
4. Add the powdered sugar and mix. Step 4:
5. Add the flour and mix. Step 5: Baking and resting
6. Pour the batter into a square mold (here 22cm). Bake in a preheated oven at 150°C for 25 minutes. Let it cool and refrigerate to firm up the cake. Step 6: For the glaze
7. Melt the chocolate and butter.
8. Take the cake out of the fridge, unmold it, and pour the glaze over it.
9. Carefully spread the glaze over the entire cake. Step 7:
10. Wait a little for it to thicken and run a bread knife blade to create beautiful waves. Refrigerate until ready to serve.