help you lift out each layer of the sponge cake once you cut it. set aside the middle layer as this will become the top layer of the cake which will give the cake the dome shape as this layer is most flexible and fragile and very easy to bend.
place the bottom layer of the cake onto the serving plate or cake board and spread the raspberry jam evenly on the layer.
spread the cut mangoes evenly onto the layer of pastry cream and cover the mangoes with a thick layer of whipped cream.
top the whipped cream with another layer of the cake. spread the remaining pastry cream evenly over it 