Combine milk chocolate melts with 1/2
the sour cream and 1 egg yolk in a large bowl, stir until smooth. Beat 2 of the egg whites until soft
peaks form. Gradually add 1/2 of the caster sugar,
beat for a further 3 minutes; fold into chocolate mixture. Pour mousse into 4 large balloon
glasses and chill for several hours or until set. Combine the white melts with remaining
sour cream and remaining egg yolk, stir until smooth. Beat the remaining egg white until
soft peaks form. Gradually add remaining sugar, beat
for a further 3 minutes.
Fold into white chocolate mixture and
pour on top of chilled milk chocolate mousse, chill to set. Decorate with piped cream and
strawberries, dust with cocoa.
