In bowl, beat the yogurt, cream, sugar and vanilla cream. Soaked gelatin and melting water bath and add to the cream, which should be at room temperature to not become gelatin thread. Add sliced ​​bananas. Take a large salad bowl and lay in her plastic foil, and if we do not - a plastic bag. Cut the rolls into slices 1 cm thick and with them oblepyame bowl. Pour the cream and arrange again rolls to make the bottom of the cake. We put this in the fridge for at least 4-5 hours to harden well. Subtract it as her turn in big cake plate and remove fthe oil. Top with a little cream attachment of broken biscuits to obtain peak of the tree. In the remaining whipped cream put paint (when I'm not housed confectionery and I enjoyed such eggs) and the resulting green cream smeared cake. Decorate with candy as judge. * I and put candles and because my son's birthday on Christmas Eve.