Step 1

Start by pre-heating your oven to 180c/350f. Also grease and line two 8 inch cake tins.

Step 2

In a large bowl, add the butter, oil, brown sugar, and vanilla. Beat these together on high speed for 5 minutes. If you are making this by hand, just aggressively whisk for as long as you can.

Step 3

Add 2 of the eggs into this, whisk these in, then whisk in the remaining 2 eggs.

Step 4

Now add the flour and milk/coffee mixture, whisk just until you get a smooth batter.

Step 5

Pour this batter into your prepared cake tins, spread it out then bake in your pre-heated oven for 40-45 minutes, or until a toothpick inserted into the centre comes out clean.

Step 6

Whiles your cakes are in the oven, make the milk mixture.

Step 7

Add the milk, coffee and brown sugar into a pot. Place this onto medium heat.

Step 8

You want to heat this just until the coffee has dissolved, we don't need this to come to a boil, we just want the coffee to dissolve. You could also just do this in your microwave.

Step 9

Leave this aside to cool down.

Step 10

Once your cakes have baked, pour this over them whiles the cakes are still warm.

Step 11

Now let the cakes soak the milk and cool completely in the tins for a few hours.

Step 12

In a pot, add about 1/3 of the sugar. Place this pot onto medium heat.

Step 13

Heat this sugar, whiles constantly stirring, until the sugar starts to melts. Once it starts to melt, pour another 1/3 of the sugar into the pot. Keep stirring until this starts to melt, then add the rest of the sugar. Make sure not to increase the heat during this process, you want to melt the sugar slowly, otherwise it can burn.

Step 14

Keep heating and stirring the sugar until it has all melted and turned an amber colour.

Step 15

Take it off the heat and whisk in the butter. Then slowly pour in the cream, whiles mixing. Now mix in the salt.

Step 16

Sieve this to get out any lumps, then leave aside to cool completely.

Step 17

Once the cakes and caramel have cooled, and the buttercream has been made, you can start putting everything together.

Step 18

Place one of your cake layers down onto a plate or cake board, spread some of the buttercream on top of this, then pipe a border of the buttercream around the edge of the cake. Add some of the cooled caramel in the middle of this.

Step 19

Add the second layer of cake on top.

Step 20

Now you can decorate however you want. I just iced the whole cake in the buttercream, added a drip with the caramel, then piped some of the buttercream on top and sprinkled a little bit of ground cinnamon on top too.

Step 21

Cut into it and enjoy!