Sweet potato cream cake

Sweet potato cream

1. Heat egg yolk,sugar,butter in Bain Marie(water bath)
2. Add the pre-soaked gelatin ( 1:5)
3. Fold with 90% whipped DB whipping cream and the above and sweet potato filling

Lemon syrup

1. Brush Lemon syrup to the sponge sheet and spread the sweet potato cream and sponge sheet again till 3 layers.
2. Icing DB whipping cream at outside of the cake and sprinkle the cake crumb and place Pistachio kernel as the photo.

Decoration

1. Squeeze whipped cream into a rose shape and decorate with pistachio kernel.