Mash the cardamom pods. Break through the cinnamon stick. Halve the vanilla pod lengthways and scrape out the pulp.
Caramelize the sugar in a saucepan until light brown. Add cardamom, cinnamon, vanilla pod and vanilla pulp. Pour in the cream and simmer over a mild heat until the sugar has dissolved.
Cover the saucepan and set aside and let the spices soak in the cream for 1 hour.
Finely chop the couverture, place in a bowl and melt in a warm water bath. Reheat the seasoned cream (do not bring to the boil) and pour into the couverture through a sieve. Mix the mixture with a whisk, cover and chill for at least 1 hour, stirring several times.
Sieve the powdered sugar onto a baking tray lined with baking paper. Shape the chocolate mass into small balls with your hands, roll them into the powdered sugar and insert a wooden stick.
Chill the chocolate balls for about 30 minutes.
Nicely packaged, they make a great gift from the kitchen.