Mary Berry served up delicious ultimate chocolate brownies with vanilla and light muscovado sugar on Mary Berry: Cook and Share.

The ingredients are: 360g Bournville plain chocolate (2 × 180g packets), broken into pieces, 225g butter, cubed, plus extra for greasing, 225g light muscovado sugar, 4 eggs, beaten, 75g self-raising flour, 1 tsp vanilla extract and 75g chocolate chips.

See recipes by Mary in her book titled: Cook and Share: 120 Delicious New Fuss-free Recipes available from Amazon now.