2/3 cup coarsely chopped pecans (or 1/3 cup pecans and 1/3 cup chocolate chips ... Best served when the brownies have rested for several hours.

Mary Berry's gooey brownies recipe Ingredients 360g Bournville plain chocolate (two 180g packets), broken into pieces 225g butter, cubed, plus extra for greasing 225g light muscovado sugar Four ...