Ingredients
125g good quality dark chocolate, broken into squares
125g plain flour
25g dark cocoa powder
1/2 scant teaspoon bicarbonate of soda
a tiny pinch of salt, optional
85g cultured unsalted butter, cut into cubes and at room temperature
175g soft brown sugar
2 free range eggs
1 teaspoon good quality vanilla extract
200g good quality dark chocolate, extra, cut into chunks
60g good quality white chocolate, cut into chunks
Preparation
