01 -
Preheat oven to 180°C. Grease and line a 9x12 inch baking tin.
02 -
Melt butter and dark chocolate together over medium heat until smooth. Set aside to cool.
03 -
In a large bowl, whip eggs with brown and granulated sugars until the mixture lightens in color and nearly doubles in volume.
04 -
Pour the cooled chocolate mixture into the egg mixture and whisk until incorporated.
05 -
Fold in flour, cocoa powder, and salt just until a smooth batter forms.
06 -
Pour batter into prepared tin and bake for 35-40 minutes, until a toothpick inserted comes out with a few moist crumbs.
07 -
In a high-sided non-stick pot, gradually melt sugar over medium heat, adding it in four batches while stirring constantly until completely melted and amber-colored.
08 -
Remove from heat and incorporate butter in two additions, stirring until smooth.
09 -
Slowly pour in warm cream while mixing continuously.
10 -
Return to medium heat and cook for about 2 minutes to slightly thicken the caramel.
11 -
Remove from heat, stir in salt and fold in cornflakes until evenly coated.
12 -
Once brownies have cooled for about 10 minutes, spread the cornflake mixture evenly over the top.
13 -
Refrigerate for at least 2 hours or preferably overnight to fully set.
14 -
Remove from tin, cut into squares and serve.