INGREDIENTS
1
Egg, large
1/2 tsp
Baking soda
90 g
Brown sugar
50 g
Caster sugar
40 g
Cocoa powder
1 tsp
Cornflour
75 g
Dark chocolate chunks
75 g
Milk chocolate chunks
140 g
Plain flour
1 tsp
Vanilla extract
75 g
White chocolate chunks
115 g
Butter, unsalted
1 tbsp
Milk