Double choc cheesecake slice

Ingredients

• Chocolate brownie mixture
• 100 gram butter, chopped
• 200 gram dark cooking chocolate chopped
• 1/3 cup caster sugar
• 2 eggs, lightly whisked
• 3/4 cup plain flour
• 1/2 cup thickened cream, plus 1/3 cup extra
• 175 gram white chocolate melts, plus 100 g extra, melted
• 375 gram cream cheese, at room temperature
• 1/2 cup caster sugar
• 2 eggs, at room temperature, lightly whisked
• 180 gram dark eating chocolate, chopped