Method
- Put the egg yolks and 120g fromage frais in a bowl
 - Sift in the cocoa powder and stir until smooth.
 - Add the coffee and sweeten to taste with sweetener.
 - Pour the hot (not boiling) water into a separate bowl and sprinkle the gelatine over the top.
 - Leave for 5 minutes, stirring occasionally, until the gelatine has completely dissolved, then leave to cool.
 - In a clean, dry bowl, beat the egg whites until they stand in stiff peaks then, with a metal spoon, fold them gently into the chocolate mixture
 - Gently stir in the dissolved gelatine, mixing well.
 - Divide the mousse mixture equally between 2 ramekins or small pots.
 - Chill in the refrigerator for 2 hours, or until set.
 - Just before serving, decorate each mousse with a spoonful of remaining fromage frais.
 - Add redcurrants or raspberries to finish.