Melt butter and chocolate.
Whisk sugar and eggs until combined.
Combine the chocolate/butter mix with the eggs/sugar mix.
Mix together the flour, cocoa powder and bicarb.
Sift the dry ingredients into the wet ingredients.
Fold together thoroughly.
Line and/or grease your baking tray.
Fill the tray with your brownie mix.
Cook at 180 for about 30 minutes.
Cut into squares.
Enjoy! (p.s. they are perfect with vanilla ice cream!)