Gelatin 1 tbsp soaked in ¼ cup water, add in it 1 tbsp coffee and mix
Put yolks and sugar ½ cup in a sauce pan, cook for 2 mins, stirring well, add in it dissolved coffee and gelatin mixture.
Now add in it the caramel syrup, fold in the whipped cream in the yolk and gelatin mixture.
Lastly beat 2 egg white stiff with remaining caster sugar, fold this whites in the above yolks and cream mixture, set in a dish or shot glasses, decorate with walnuts.