Melt butter and dark chocolate together, then stir in cocoa powder.
150 g Unsalted Butter, 100 g Dark Chocolate, 40 g Cocoa Powder
Whisk in sugar and one egg at a time.
100 g Brown Sugar, 2 large Eggs
Fold in flour and a pinch of salt.
200 g Plain Flour, 1/4 tsp Salt
Cream butter with brown and caster sugar.
50 g Caster Sugar
Beat in the egg and vanilla extract.
1 tsp Vanilla Extract
Fold in flour, baking soda, and salt.
1/2 tsp Baking Soda
Stir in chocolate chips.
150 g Chocolate Chips
Line a square tin with parchment paper.
Pour the brownie mixture first and level it.
Dollop cookie dough on top and gently swirl or pat it flat.
At 170°C (fan) for 25–30 minutes or until the top is golden and a skewer comes out with a few moist crumbs.