95 g (¾ cups) plain (all-purpose) flour

2 tablespoons cocoa powder

1 teaspoon baking powder

¼ teaspoon salt

225 g (1 ¼ cups) dark chocolate, chopped

56 g (¼ cups) butter, salted or unsalted

2 eggs (room temperature)

100 g (¾ cups) caster or granulated sugar

90 g (½ cups) Demerara or raw sugar

1 teaspoon vanilla

85 g (½ cups) dark or milk chocolate chips