Mmmm, the outer core tastes like lemons.* *Warning: Actual outer core of the Earth does not taste like lemons.
Cake Crumbs was asked by her sister to make an Earth cake to teach kids about its structural layers.
Source: cakecrumbs.livejournal.com
Which meant baking a vanilla buttercake inside a lemon sponge cake.
Source: cakecrumbs.livejournal.com
And then baking those cakes inside an orange sponge cake.
Source: cakecrumbs.livejournal.com
Then top it all off with chocolate buttercream icing.
Source: cakecrumbs.livejournal.com