1) Pre-heat oven to 350 deg Fahrenheit (175 deg cel) 2)
Generously grease a square or rectangle baking tin with butter 3) Place chopped dark chocolate in a heat - proof bowl 4) Melt butter in a small pan and then pour melted butter
over chopped chocolate, stirring until chocolate is completely melted 5) Add the sugar and mix well until sugar is dissolved 6) Add in the eggs and beat well, followed by vanilla extract until well - combined 7) Gently mix in the dry ingredients (almond meal, cocoa powder, baking powder and salt) 8) Pour
batter into the greased baking tin, and spread out evenly 9) Sprinkle chopped walnuts evenly
over the
batter 10) Bake for 30 to 35 minutes or until a toothpick inserted in the middle comes out clean 11) Remove from oven and allow to cool completely before cutting into squares