Triple Chocolate Cookie Cake!

A Super Chocolatey Two Layer Cookie Cake made out of Two Giant Triple Chocolate Cookies with Vanilla Buttercream Frosting!

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The other week I posted my M&M Cookie Bars recipe and they were such a massive hit – Like, so many of you had made them on the same day I posted the recipe, and this continues to happen every single day. However, when it was one of my closest friends birthdays recently, I knew I had to make her something AMAZING and delicious that would be a little ‘next level’… Hello Giant Triple Chocolate Cookie Cake.

I used the recipe for my M&M Cookie Bars as it was just such a success and was just SO delicious I couldn’t actually cope, and added in some Milk Chocolate Chips and White Chocolate Chips to make it even more chocolatey and delicious. Some people may say that the chocolate chips are not necessary, but I like the difference between the normal chocolate chips and the M&M’s. They create a different texture and flavour and just make it heavenly.

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As it was my friends birthday, I wanted to make the treat look like a cake so I simply doubled the M&M Cookie Bars recipe, and split between two 8″/20cm tins and baked for a bit longer. They ended up sinking a little in the middle, but I guess its because its such a large cookie that that is often the case, and it ended up being the perfect little area for the buttercream to be on the bottom layer, and just looked delicious on the top. Like seriously, just look at all those bright and colourful M&Ms just there in the cookie… YUMMY.

I seriously hope you guys love this beauty as much as I and the birthday girl did… enjoy!

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This recipe makes a double layer Giant Cookie Cake!

Ingredients

Two Giant Cookies
– 400g Plain Flour
– 100g Cocoa Powder
– 2 tsp Bicarbonate of Soda
– 1 tsp Salt
– 2 tbsp Cornflour
– 230g Unsalted Butter/Stork
– 110g Granulated Sugar
– 270g Light Brown Sugar
– 2 Medium Eggs, beaten
– 1 tsp Vanilla Bean Extract
– 150g Milk Chocolate Chips
– 150g White Chocolate Chips
– 2x 165g Bags Chocolate M&M’s

Vanilla Buttercream Frosting
– 150g Unsalted Butter, room temperature
– 300g Icing Sugar
– 1 tsp Vanilla Bean Extract

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Method

1) Preheat your oven to 190C/170C Fan and line Two 8″ Circle Cake Tins with parchment paper, and leave to the side for now.

2) Whisk/Mix the Plain Flour, Cocoa Powder, Bicarbonate, Salt and Cornflour together so its evenly distributed – leave to the side.

3) In a larger bowl, melt the butter. Add in the two sugars, and whisk for about 2 minutes so the sugar starts to dissolve and the mixture is smooth. Add in the Egg and the Vanilla, and whisk again briefly till smooth.

4) Add in the Dry Ingredients, the two different chocolate chips, the M&M’s, and mix with a spatula till a thick cookie dough is formed.

5) Press the mixture into the bottom of the two different tins – I weighed it out so they were the same as it made baking them easier and more even. Bake in the oven for 25 minutes, until the top of the cookie bake looks ‘dry’ and a skewer comes out basically clean, bar a few crumbs. (Can take up to 30-35 minutes depending on your oven and the mix)

6) Leave the cookies to cool in their tins for about 10 minutes, then leave to cool fully on a wire rack.

7) In a stand mixer, beat your butter for a couple of minutes till really smooth and supple. Add in the Icing sugar 1/2 at a time and fully beat in before you add the other half. Add in the Vanilla Extract and beat the buttercream for about 4-5 minutes until smooth and fluffy. If you think its still a little stiff, add in a couple of tbsps of whole milk, or boiling water and beat till you have the texture you want.

8) On top of your favourite cookie, pipe little ‘stars’ of buttercream frosting around the edge and sprinkle on some cute sprinkles (like you can see in the pictures). Spread or pipe the rest of the frosting on top of the other cookie. Put the better cookie with the frosting stars on top and you’re done! Enjoy!

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Tips and Ideas

This delicious recipe is based on a recipe by Crunchy Creamy Sweet which I have adapted to grams, and swapped up slightly from my M&M Cookie Bars post to create a double layer cookie cake.

I used oodles of Chocolate M&Ms in this recipe, and the colour on them stayed perfect even after baking, but I’m sure it would work with the Crunchy M&M’s, the Peanut M&M’s, or even smarties for example, and you could just use all chocolate chips, or all M&Ms if you wish – but as I explained earlier on, I liked the mixture.

This amazing Cookie Cake will last for 3 days after baking, but I won’t be surprised if it lasts less than a day.

I’ve never personally tried this mix as an actual cookie, but if you try it out, let me know how you get on – I’d love to know if it worked!

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ENJOY!

Find my other Cookie, Chocolate & Cake Recipes on my Recipes Page!

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J x

© Jane’s Patisserie. All images & content are copyright protected. Do not use my images without prior permission. If you want to republish this recipe, please re-write the recipe in your own words and credit me, or link back to this post for the recipe.

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8 comments

  1. Hi Jane,
    This looks amazing and im making this for my sisters birthday tomorrow…she’ll be 23 but loves cookies, so thought this would be a fun cake for her to have!!! She doesnt know im making her a cake, so it will be a lovely surprise for her! You’re recipes are amazing and so lovely, thank you for sharing them with us!

    Love, Jen xx

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