01 -
Set your oven to 160°C (320°F) for fan or 170°C (338°F) for standard. Cover a baking tray with parchment paper.
02 -
Gently melt the butter with your chocolate over a pot of simmering water. Stir in the vanilla when melted.
03 -
Use an electric mixer to whisk the eggs and both sugars until they turn pale and airy.
04 -
Combine the flour, cocoa powder, baking powder, salt, and chocolate chips by sifting them together.
05 -
Carefully mix your egg and melted chocolate mixtures, then gently stir in the dry ingredients. Stop when just blended.
06 -
Scoop onto the lined tray, then bake for 12-14 minutes. The cookies should look set with a crackly surface.