Flourless hazelnut chocolate cake

Rich, decadent and with a little less guilt, this flourless chocolate cake is very addictive.

Ingredients:

• Melted butter, to grease
• 200 g
roasted and peeled hazelnuts
• 250 g
good-quality dark chocolate (54% cocoa), chopped
• 185 g
unsalted butter, cubed
• ⅓ cup cocoa powder, sifted
• ¼ cup strong, freshly brewed coffee
• 6
eggs, at room temperature
• 1¼ cups caster sugar
• Icing sugar or cocoa powder, to sprinkle
• Ice-cream, cream or fresh berries, to serve