Poppy (age 10) recently made chocolate mousse for dessert when her Uncle returned from overseas, we held a welcome home dinner for him. She raided the garden for garnishes. I love how to kids it doesn't matter that there was only 1 strawberry and one blackberry to be found, so the rest got grapes.
200grams dark chocolate (we used cadbury melting chocolate from the baking aisle)
3 eggs separated
1 cup cream - whipped
Over a double boiler melt your chocolate. Once melted, remove bowl from double boiler and stir in butter. Allow to cool slightly. Stir in egg yolks.
Beat egg whites until soft peaks form. Gently fold half the egg whites and half the cream into the chocolate mixture. Repeat with the remaining halves.
Poppy put her mousse into a large piping bag for filling her small verrine glasses, to ensure they stayed neat and tidy around the rims.
Allow to chill for at least three hours.