Millionaire Cake

Now, I love Millionaire Shortbreads - they are one of my favourite things ever. The soft, crumbly shortbread being held by thick, sweet caramel and with that thick chocolate slab on top, can it get any better than that?
Well, for a taste test for Brit's birthday cake I decided to put it into a cake..It's good.
I have cheated a little in this cake but the cake is going to have to be assembled quickly so it needs a little cheating.

So, I baked 3 layers of my favourite chocolate sponge -

180g Plain Flour
275g Caster Sugar
60g Cocoa Powder (preferably dark)
1-1/4 tsp Baking Soda
1-1/4 tsp Baking Powder
1 tsp Salt
140ml Buttermilk
130ml Strong Coffee, Hot
75ml Vegetable Oil
2 Eggs
1 tbs Vanilla Extract

Preheat the oven to 180 and grease and line 3 6inch rounds.

In KitchenAid Bowl, sift all dry ingredients.

Add all remaining ingredients and mix on medium for 2 minutes, scrape bowl and mix again for a few seconds.

Weigh the layers to ensure they are equal and pour into prepared tins.

Bake for 20 minutes and rotate the pans and bake until a skewer comes out clean - about 30 minutes.

Cool in there tins.

Now you just need to assemble your masterpiece!