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Gooey, rich, and super chocolatey triple chocolate brownie recipe!

‘Back to basics’

So, I thought I would start a new series on the blog – ‘Back to Basics’. This is because I have a lot of themed or flavoured bakes on my blog, but some of the actual basics haven’t been covered. I technically have a triple chocolate brownies post on my blog, and these brownies are the exact same, but they’re my Christmas tree brownies. I thought it would be best to do a fresh new post for these beauties!

The ‘Back to Basics’ series will literally cover the basic of baking recipes… traybakes, cakes, cheesecakes etc, but as I was in the mood for a super chocolatey flavour, I thought brownies has the best place to start! Also, my mum has been bugging me for a good while now to make a batch of these, so I thought I would oblige to keep her sweet.

Recipe experimentation

I make my brownies in a particular way, as for years and years I struggled with brownies. There are so many different methods out there, and I often found that they took far too long to bake. As long as the brownies have got hot, the gooeyness doesn’t really matter and its not going to kill you, so no brownies were ever harmed in my experiments.

Often, I used to use a recipe that briefly mixed the butter, eggs and sugar so the mixture itself was completely different, but after trying out a few recipes such as the BBC Good Food recipe, I much preferred the whisking technique.

The whisk method

When you put the whisking technique side by side with a different one, I often find you can even just see the differences. The look, texture and more. I much much MUCH prefer this whisking method.

With this method, you basically whisk together the eggs and sugar to a really thick mousse, and its what gives the brownies their texture. You MUST whisk them for basically a really long time until the mixture is much much paler, thicker, and more than doubled in volume. If you briefly mix, it probably won’t work as well. Also, when you then mix the rest of the ingredients, mix them BY HAND so you don’t deflate the mousse.

Stand/hand mixers

I like 99% of the time use my stand mixer for these kinda thangs, as I find it SO much easier, but I get that not everyone has a stand mixer. You can also use a simple electric hand whisk, and its 100% worth it. If you’re in the UK, you can get a basic hand mixer for under £15, and even cheaper in some other actual shops, and this makes baking so so much easier.

Even with a hand mixer, you can get the texture you want. It might just take a smidge longer, but again… you’re going to save your arm and probably your brownies! It is completely up to you however though! 

Folding

When you fold the melted chocolate/butter, and flour/cocoa powder into your egg mousse mix, you want to be as careful as you can, because if you go and beat it all in you might cause your mixture to be too runny.

I can often get comments saying that peoples brownies are taking far too long to bake, and thats down to the mix. People can say they followed the recipe “to a T” all they like, but something went wrong. It can be down to ingredients, but usually… its the mix with brownies. Too liquid, not mixed enough, etc.

Chocolate

For the actual chocolate chips in the recipe, you can use supermarket own chocolate, cadburys chunks, galaxy etc… but I wouldn’t make them too large. For the ones in the pictures, I used Callebaut chocolate chips because I love them, but equally I often use Tesco’s own chocolate bars that come in at 45p per 100g of chocolate.

This is obviously cheaper than Cadburys which can often be £1 per 100g. HOWEVER… for the base of the brownie mixture, YOU MUST USE DARK CHOCOLATE. 70% OR DARKER. No, you can’t taste it like a chunk of dark chocolate, it just makes it so fudgey and delicious, and it naturally sweets so you do NOT need to worry.

Honestly, these brownies are SO GOOD, so I hope you all love these as much as everyone I know does. Enjoy! And I will be posting another ‘Back to Basics’ soon…! x

Triple Chocolate Brownies!

Gooey, rich, and super chocolatey triple chocolate brownies!
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Category: Traybakes
Type: Brownies
Keyword: Chocolate
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Servings: 16 Pieces
Author: Jane's Patisserie

Ingredients

  • 200 g dark chocolate (70%+ cocoa content)
  • 200 g unsalted butter
  • 3 large eggs (or 4 medium)
  • 275 g caster sugar
  • 100 g plain flour
  • 50 g cocoa powder
  • 100 g white chocolate (Chips/Chunks)
  • 100 g milk chocolate (Chips/Chunks)
  • 100 g dark chocolate (Chips/Chunks)

Instructions

  • Preheat your oven to 180C/160C Fan and line a 9″ square baking tray with parchment paper.
  • Melt together the unsalted butter and dark chocolate in a heatproof bowl over a pan of boiling water, on the microwave for 1-2 minutes until melted. Leave to the side to cool to room temperature!
  • Using an electric whisk/stand mixer, whisk together the eggs & caster sugar for a few minutes until the colour has turned pale, is very mousse like, and is double the original volume of the amount of eggs + sugar! 
  • You will know its done because when you lift the whisk up out of the mix it should leave a trail for a couple of seconds before disappearing!
  • When whisked, pour the cooled chocolate mix over eggs and fold together carefully. It might take some time, but be patient – you don’t want to knock out the air you made up on the previous step!
  • Once completely combined, sift the cocoa powder and plain flour on top of the chocolate mix and then fold together again – still be careful to not knock out the air!
  • Once combined well, fold through the chocolate chips and pour into the prepared tin – bake in the oven for 25-30 minutes! Once baked, leave to cool in the tin completely.

Notes

  • These triple chocolate brownies will last in an airtight container for 1 week!
  • If you find they're a bit hard to cut, stick them in the fridge for an hour and it'll make it a lot easier!
  • If they're not done in the time stated, then stick them in for longer, and cover with foil to prevent burning
  • They should be done when they're slightly wobbling when you shake the tin
  • I use this 9" square tin in this recipe!
  • Recipe updated May 2021 - flour used to be 90, cocoa powder used to be 35g. Both recipes work, I just much prefer the increased flour/cocoa. 

 

ENJOY!

Find my other Brownies 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.

681 Comments

  1. Andy Wall on July 31, 2025 at 3:17 pm

    Sour cherries and white chocolate. Game changer. I’m making different ones every week. Salted caramel twix is also really good

  2. AFD on July 14, 2025 at 10:10 pm

    Does this freeze well?

  3. steph on April 18, 2025 at 1:48 pm

    help! how many grams is one medium egg typically with and without the shell? we have different egg sizes in australia so i’d prefer to measure by weight

    • Emma on August 25, 2025 at 9:38 pm

      I’m in NZ and use 4 size 6 eggs and it works perfectly



  4. Rezwana on April 11, 2025 at 10:33 pm

    5 stars
    Amazing recipe!

    I just had a question in regards to making them in a 8 inch (20x20cm) brownie tin. I followed the recipe and I felt like the brownies were quite thick.

    How can these be adjusted to work in a smaller tin please!

    • Sammi on April 14, 2025 at 2:30 pm

      Jane does them in a 9×9″ tin.. Hope this helps



    • Barbara Davie on August 2, 2025 at 12:50 am

      Use two eggs and reduce all ingredients by ⅓ . Use calculator on phone if this proves challenging.
      Or perhaps buy a bigger tin.



    • Dyanthe on September 4, 2025 at 1:44 pm

      If you do all the ingredients x0.76 with a calculator you have the right amount of ingredients for a 20×20 tin!



  5. Aisha on March 28, 2025 at 9:38 pm

    Do these taste the same as the small batch triple chocolate brownie recipe?

  6. Harriet on March 4, 2025 at 5:42 pm

    5 stars
    I thought I had discovered the best brownie recipe ever (Sainsbury’s, weirdly, and I’ve been baking them for years. But I love your site and thought I’d give these a try and OMG they are incredible!

    I cooked them ten minutes longer than the recipe said, as they were really wobbly when I tried to take them out, and even after that, they were really oozing (but delicious!). However a day on, and they are quite honestly incredible. Fudgy, with chunks of chocolate to bite into. So so good.

    This is my new favourite brownie recipe and I am already planning to make another batch. Thank you.

    • Lacie on March 28, 2025 at 10:54 am

      Hi, I’m struggling with the consistency once they’re set. I can’t seem to cut them without them all sticking to eachother and the parchment paper so they just look wet & too fishy (if that’s a thing). I follow lots of other people and they seem to cut them into perfect squares



    • Jane's Patisserie on April 8, 2025 at 11:34 am

      What exact chocolate are you using? It may be this is causing them to be less firm.



  7. Eliza on January 29, 2025 at 6:06 pm

    5 stars
    Hi Jane!
    Thank you SO MUCH for this great brownie recipe – I am currently going to put one in and then squidge M&M’S in, yum! I was wondering if I could turn this into a 2 tier brownie cake? Please reply soon!

  8. Katie on December 29, 2024 at 9:38 pm

    I just cooked that and got the 25-30 left to fully cool in the tin and they are not cooked all the way through, they hold their shape and they are slightly gooey still. Will these be okay to eat? Thanks

    • Jane's Patisserie on January 16, 2025 at 10:57 am

      Yes, they’ll be okay to eat! You can set them in the fridge for an hour or two to firm up once they have cooled – makes them lovely x



  9. Georgia on December 26, 2024 at 8:28 pm

    Would this recipe work with left over egg whites instead?

    • V on January 17, 2025 at 6:11 am

      Can I blend the eggs in nutribullet



  10. Caitlin on November 23, 2024 at 7:45 pm

    Can you heat these up in the microwave?
    Thanks!

  11. Vicky P on September 29, 2024 at 8:17 am

    I was wondering whether an adjustments would need to. be made, if I were to leave out the chocolate chips and substituted some chopped nuts instead?

  12. Roisin on July 30, 2024 at 2:28 pm

    5 stars
    Hi I have a 11’ tin how do I modify the recipe to find the tin
    Thank you x

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