Preparation time: 2h 20 mins
Break the chocolate into pieces and melt in a bowl over simmering water. Stir in the cream and soy sauce. Pour the chocolate mixture into a baking tray lined with foil (approx. 10 x 10 cm) and chill in the fridge for at least 2 hours.
Remove the chocolate mixture from the tray, cut into approx. 2 x 2 cm cubes, dust all over with cocoa powder and serve, garnished with fresh berries and mint if you like.
Calorific value (per portion): 209 kJ / 50 kcal