Torta caprese (flourless almond cake)

Cake

• 150 g butter, room temperature
• 250 g dark chocolate, broken into pieces
• 250 g almonds
• 250 g raw sugar
• 6 eggs
• 1 tbsp baking powder
• 1 tbsp cocoa powder
• 50 g Amaretto® liqueur (optional)

Chocolate ganache

• 100 g dark chocolate, broken into pieces
• 80 g pouring (whipping) cream
• fresh berries, for garnishing (optional)