Cut the sweet potato into small pieces and cook until done.
Then put the chocolate in the blender with the sweet potato and date sugar and blend until creamy.
Chop the puffed banana with a knife and fold in.
Then put the chocolate mixture in a box and refrigerate for a few hours.
Then you can add the blueberry-banana sauce and the chopped chocolate on top of the brownie. DONE ✅ Take it to work and enjoy it. 😋