Brownie Eton Mess Slice Recipe | Chelsea Sugar

Ingredients

• 225g unsalted butter, softened
• 5 eggs, lightly beaten, plus 3 eggwhites
• 200g dark chocolate, half chopped, half melted and cooled
• 1 firmly packed cup (250g) Chelsea Soft Brown Sugar
• 1 ½ cups (225g) plain flour
• ½ cup (50g) Dutch cocoa powder
• ½ cup (160g) raspberry jam, plus extra to serve
• 1 ½ cups (330g) Chelsea Caster Sugar
• 250g raspberries
• ¼ cup (25g) cocoa powder
• 1 cup (330g) Nutella