The Most Indulgent Chocolate Brownies

Rich, fudgy chocolate brownies topped with milk and white chocolate for the ultimate chocolate treat. 185g (6.5 oz) Unsalted butter 185g (6.5) Dark chocolate 3 large eggs 140g (5 oz) Caster sugar 140g (5 oz) Light Brown Sugar 85g (3 oz) Plain flour 40g (1.5 oz) Cocoa powder 50g (2 oz) White chocolate 50g (2 oz) Milk chocolate