Step 1:
1. Break chocolate into a heat proof bowl. Step 2:
2. Then melt over boiling water until melted. Step 3:
3. On a low heat in another saucepan, add cream, and split the vanilla pod, or add vanilla extract. Step 4:
4. Leave vanilla and cream to simmer for five minutes. Step 5:
5. Once the chocolate is melted, add the cream, and vanilla into the bowl with the melted chocolate. And mix well. Step 6:
6. Melt butter and stir into the chocolate mixture. Step 7:
7. Leave to chill in the fridge, until set. Step 8:
8. Once set roll into balls. Step 9:
9. Roll in icing sugar, or sprinkle over instead. Step 10:
10. Eat! Only suitable for two days.