Extremely easy dark chocolate mousse

• 150 g (5 oz) dark chocolate, chopped into small pieces
• 2 teaspoons rum

Melt the chocolate in a microwave oven or bain-marie.

Remove from the heat and add the alcohol, if using. Then add the egg yolks one by one.

Whisk the egg whites into stiff peaks and fold into the chocolate mixture.

Pour the mixture into 1 large bowl or several individual ones.

Chill for at least 2 hours before serving.