Never Fail Chocolate Mousse

Directions

1. 1
   Using a blender, combine eggs, instant coffee, chocolate and liqueur.
2. 2
   Bring milk to a boil.
3. 3
   Pour hot milk into blender container with other ingredients; cover and mix on high speed for exactly 2 minutes.
4. 4
   Pour into a Pyrex dish and chill for at least 4 hours.
5. 5
   Serve topped with whipped cream if desired.