Chocolate Mousse with Orange

• 3 eggs
• 25 g/1 oz castor sugar

Separate the eggs and beat the yolks with the sugar until light and fluffy. Put the chocolate and orange juice into a heavy-bottomed saucepan and heat slowly, stirring, until you have a smooth mixture of the consistency of double cream. Cool it slightly and then beat into the yolk mixture. Add the grated orange rind and the melted butter.

Whisk the egg whites until they are stiff but no