What to expect: the perfect balance of sweetness and bitterness, moist chocolaty taste. Ingredients: butter 130g ( 1/2 cup+ 4Tbsp) large eggs 3 sugar 200g (1cup) salt 1/4 Tsp vanilla 2 Tsp All-purpose flour 80g (3/4 cup) cocoa powder 30g ( 1/3 cup) (15g if you like less bitter) semi-sweet dark chocolate 150g (1 cup) Method: Mix melted butter, sugar, salt, eggs and vanilla in a big bowl sift flour and cocoa powder on top fold the flour in ten add chopped chocolate mix gently line an 11" x 9" pan with parchment paper pour the butter in then bake for 25 - 30 mins on a 170°C preheated oven. let it cool down then cut into square pieces Notes: if your pan size is smaller than this it may take longer to bake stop baking when a few crumbs stick to the toothpick when inserted. if you like less bitter use half the cocoa powder ...