R2D2 cake

Tags: cake, picture, Mummy
With this cake you will be the envy of children everywhere, from 3 years old to 34. It is as delicious as it is stunning.
. Serves 12. 32 steps
blue velvet sponge from epicurious.com
85g unsalted butter softened   cream until light and fluffy Grease, line and lightly flour two tins, 15 cm diameter and 8 cm high. Bake in a moderate oven 30 minutes, or until just done. Leave to cool in tins for 1 hour. Remove from tins, and cool completely on a wire rack. Slice each cake into three layers.
251g sugar
1.5 large eggs   beat in one at a time
2 tablespoons blue colouring whisk   beat well
1 1/2 tablespoons cocoa
3/4 teaspoon vanilla extract
219g flour sifted   beat in flour and buttermilk alternately, in three batches; do not overmix
3/4 teaspoon salt mix
3/4 cup buttermilk
3/4 teaspoon cider vinegar mix   mix well
3/4 teaspoon bicarbonate of soda
orange sponge
85g unsalted butter softened cream until light and fluffy Grease, line and lightly flour two tins, 15 cm diameter and 8 cm high. Bake in a moderate oven 30 minutes, or until just done. Leave to cool in tins for 1 hour. Remove from tins, and cool completely on a wire rack. Slice each cake into three layers.
251g sugar
4 oranges' rind
1.5 large eggs   beat in one at a time
3/4 teaspoon vanilla extract   beat well
219g flour sifted   beat in flour and buttermilk alternately, in three batches; do not overmix
3/4 teaspoon salt mix
3/4 cup buttermilk
3/4 teaspoon cider vinegar mix   mix well
3/4 teaspoon bicarbonate of soda
filling from epicurious.com
450g mascarpone beat until fluffy
227g ricotta
341g unsalted butter softened
1.13 kg icing sugar sifted   beat in
4 tablespoons sour cream   beat in
2 teaspoons vanilla essence
1 cup blueberry jam mix
1/2 cup hot water
rice krispy legs
42g butter   melt Press mixture into two rough leg shapes, on a sheet of baking parchment. Leave to set overnight, or longer. Freeze for 30 minutes, then carve into leg shapes.
284g marshmallows   stir over low heat until completely melted
6 cups rice krispies   stir well
decoration
500g fondant
blue food colouring
silver food colouring
Assemble and decorate the cake as you see fit. We used wooden dowels to keep it standing upright. Fondant will fit better onto a cake that has been refrigerated; and if you roll it out with cornflour then it will remain supple.