Chocolate mousse

This is my grandmother's classical recipe. It's not a baked cake but it belog to category good and chocolate thinks....

Ingredients

• Butter 100g / 3.5 oz
  
• Dark chocolate 120g / 4 oz
  
• Icing sugar 75g / 2.5 oz
  
• Large egges 4
  
• Brandy or Rhum 1 tablespoon

Procedure

• Let's soft the butter out of the fridge
• Whip up the soften butter with icing sugar
• Add yolks one by one and mix
• Melt the bitter chocolate ad add to the mix
• Whip up very well egg whites and join to the mix
• Add brandy ot rhum and mix very well
• Keep in fridge at least 4 hours

Italian version of this recipe