Melt the chocolate broken into pieces and the butter together using the microwave or water bath. If using the microwave, set 30sec . Stir until every thing is melted and smooth.
In a large container, mix the eggs, sugar and almond powder.
Add the chocolate and mix.
Add the flour, baking powder and mix until you do not have any lumps.
Add Walnuts.
Pour the mix in a buttered mold, your mold should not be too small or else your brownie won’t cook enough in the middle, the batter should cover the mold by 4cm maximum.