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Easy, delicious and super insane chocolate fudge cupcakes with the ultimate chocolate buttercream frosting! 

Chocolate fudge cupcakes

So the time has come, to morph my chocolate fudge cake into the very sort after chocolate fudge cupcakes. Honestly, this has been SO requested that I apologise that it’s taken so long. These are the most incredible cupcakes, so here they are.

From the start I will say that these are quite a bit more intense than the classic ‘chocolate cupcake’. If you are after something delicious, but easier and more basic, then check out my chocolate cupcakes recipe! They’re more chocolate Victoria sponge based, whereas these beauties are intense and wonderful and super fudgy like they should be.

The cupcakes 

For the cupcake sponges, you need to use dark chocolate in the cake sponge as this is part of what makes it so fudgey, so PLEASE don’t switch it to milk chocolate. Don’t worry if you don’t like dark chocolate, they don’t taste bitter – they taste  like a rich and delicious chocolate cake. 

The cupcakes features coffee and even if you don’t like coffee, you need to use it – they don’t taste like coffee, it just makes the cupcakes super chocolate and heavenly. 

The cupcakes use buttermilk which helps create moisture and creates the rise in the cupcakes and it’s great. Don’t worry if you can’t find it in the shops though, you can make it yourself – mix 1tbsp lemon juice with 250ml whole milk to create your own. 

This sort of cake mixture is a lot thinner once you have made it, in comparison to a normal cake batter like a chocolate Victoria sponge. When I make it, I really just use my hand and a whisk and a spatula… there is no need for an electric mixer for these cupcakes as the batter is so easy to mix together.  

Simple method

Melt the chocolate and butter, add in the dissolved coffee, whisk all the dry ingredients together, and whisk the eggs, vanilla and buttermilk together and you have a cake! They bake for about 20 minutes at 160ºfan, (or 30+  at 140ºc) and they are gloriously easy to create. 

For the frosting, it’s just basically a cocoa powder American buttercream frosting, but mixed with evaporated milk. This is basically all that makes it special, but IT IS WORTH IT.

The evaporated milk is 100% worth the investment because it levels up the frosting so much. I tend to buy the mini tin size, so as there isn’t as much wastage, but with this recipe there is about half a tin left. I then use it up in another batch of cupcakes or use it in another recipe. 

Decoration 

The decoration of cupcakes like this is so easy, and I just adore something that is quick and easy to achieve. I went for adding my delicious chocolate fudge frosting to a large piping bag with my favourite piping tip, and swirled it onto the cupcakes. 

I used a mixture of sprinkles on top as I love how it looks, but it’s entirely up to you how you decorate them – add fruit, a drizzle of chocolate, chocolates etc and you will have a winner. 

Tips & Tricks 

Chocolate Fudge Cupcakes!

Easy, delicious and super insane chocolate fudge cupcakes with the ultimate chocolate buttercream frosting! 
Print Pin Rate
Category: Cake
Type: Cupcakes
Keyword: Chocolate
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 50 minutes
Servings: 12 Cupcakes
Author: Jane's Patisserie

Ingredients

For the Cupcakes!

  • 100 g dark chocolate
  • 100 g unsalted butter
  • 1 tsp instant coffee
  • 75 ml boiling water
  • 100 g plain flour
  • 20 g cocoa powder
  • 1 tsp baking powder
  • 200 g light brown sugar
  • 2 medium eggs
  • 75 ml buttermilk (or soured cream)
  • 1/2 tsp vanilla (optional)

For the Frosting!

  • 150 g unsalted butter (room temp - not stork/spread)
  • 300 g icing sugar
  • 35 g cocoa powder
  • 1/2 tsp vanilla (optional)
  • 75-100 ml evaporated milk

Decorations

  • Sprinkles

Instructions

For the Cupcakes!

  • Preheat your oven to 160C/140C fan, and get your cupcake cases ready. 
  • In a microwave proof bowl, add your chocolate and butter and heat and mix until melted. I usually do 30 second bursts! 
  • Pour the boiling water onto the coffee granules and mix until smooth - add the coffee mix into the chocolate/butter mix until smooth. 
  • Add the flour, cocoa powder, baking powder and sugar to a large bowl and whisk until distributed. 
  • Mix together the buttermilk, eggs and vanilla. 
  • Add the three mixes together - I pour the chocolate/coffee mix and the egg/soured cream mix into the dry ingredients and fold until smooth. 
  • Split the mixture evenly between the baking cases. I use regular baking cups from Iced Jems, and I fill them 2/3 full.
  • Bake in the oven for 28-32 minutes, or until baked. 
  • Leave to cool fully once baked!

For the Frosting!

  • Make sure your butter is at room temperature!
  • Beat the butter on it's own for a few minutes to soften!
  • Add in the icing sugar and cocoa powder 1/2 at a time, and beat until combined.
  • Add in the vanilla if using, and then the evaporated milk a little at a time beating fully in-between each go!

Decoration!

  • Pipe onto your cupcakes how you please! I used a medium 2D closed star piping tip. 
  • Sprinkle on your favourite sprinkles and enjoy! 

Notes

Find my other 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.

153 Comments

  1. Jennifer on July 6, 2020 at 9:34 am

    5 stars
    The BEST chocolate cake recipe I’ve ever had! I will never use another one again! Stunningly moist, fluffy and indulgent. 10/10

  2. Alice on June 29, 2020 at 3:42 pm

    4 stars
    I made these and they tasted delicious! Unfortunately when they came out the oven they shrunk away from the cupcake cases as they cooled, maybe my cases were too big.
    My only problem was my icing was too liquidy to pipe with, I do follow the recipe exactly- so better luck with my next bake!

    • Jane's Patisserie on June 29, 2020 at 7:33 pm

      So shrinking away usually means the cupcakes haven’t finished baking yet, so the moisture causes them to peel away! And what butter did you use for the buttercream?



  3. Samantha on June 23, 2020 at 2:43 pm

    5 stars
    My friends and family absolutely loved these!! The buttercream is sooo good.
    I hate coffee with a passion so I was wary but you definitely can’t taste the coffee at all!
    Also I couldn’t find buttermilk or sour cream in the shops so I made my own buttermilk and they still turned out amazing!

    • Luke Jones on February 27, 2021 at 8:48 pm

      Is this recipe for cupcake cases or muffin cases? I often find the cupcake cases quite small



    • Jane's Patisserie on February 28, 2021 at 11:33 am

      I tend to use baking cups which I find are more towards standard muffin size (not the tulip style) x



  4. Alex Lloyd on June 19, 2020 at 8:48 pm

    5 stars
    Amazing… husband said best cupcakes I’ve ever made him (and I’ve made a few!!)
    Thank you xx

  5. Amanda on June 19, 2020 at 9:39 am

    Hey I am going to make these and I am just wondering how much water I put into the coffee to mix and add?

  6. Lizzie on June 18, 2020 at 7:22 pm

    Hi Jane, just wondered do you use a mixer when you make these or would you make them by hand? Can’t wait to try these! Thanks xxx

    • Jane's Patisserie on June 18, 2020 at 7:23 pm

      Hey! For these I would use my hand as you don’t want to over-mix it! x



  7. Melissa on June 12, 2020 at 7:31 pm

    I wanted to know if heavy cream is ok to use in the frosting instead of evaporated milk.

    • Jane's Patisserie on June 13, 2020 at 9:07 am

      You definitely can, but you will probably need less and it will be slightly different!



  8. Jo Bennett on June 8, 2020 at 8:43 pm

    5 stars
    First time I have made these chocolate fudge cupcakes, there were satisfied noices of approval from my family whilst they were eating them.. The buttercream is amazing, I had some left over which I could have eaten by itself. Simply put these are delicious cupcakes and a recipe I have been told I will be using again.

  9. Shay on June 7, 2020 at 12:45 pm

    Is it possible to omit the coffee?

    • Jane's Patisserie on June 7, 2020 at 2:03 pm

      Not if you want the best possible flavour – it doesn’t taste of coffee, it just makes it taste of chocolate fudge cake! x



  10. Maisie Leeks on June 3, 2020 at 10:35 am

    5 stars
    Can you use stork for the cake?

  11. Disney girl on June 1, 2020 at 3:21 pm

    5 stars
    So delicious! Had some leftover buttermilk I wanted to use and these did the job perfectly!
    Can you freeze these once cooked & cooled? Then just defrost for another day…? Thanks 😊

  12. Laura on May 27, 2020 at 1:26 pm

    5 stars
    Can’t wait to try these! Just wondering can I use any dark chocolate or should it be cooking chocolate? Also is it possible to use large eggs instead of medium?

    • Jane's Patisserie on May 27, 2020 at 6:27 pm

      Hey! So you can use any dark chocolate, as long as it’s 70% or darker – and the two large eggs should be okay!!



  13. Sobhia on May 14, 2020 at 8:01 pm

    5 stars
    Tasted amazing thank you! The tops if my cupcakes were a little firm almost like a brownie, any idea why?

    • Jane's Patisserie on May 15, 2020 at 9:26 am

      That could be your oven being too high! x



  14. Lucy Richardson on May 4, 2020 at 2:50 pm

    5 stars
    Great tasting recipe but for some reason the middle/bottom of the bun rose up, the bottom of the bun case was empty.

    • Jane's Patisserie on May 4, 2020 at 3:13 pm

      I’ve honestly never seen that before! How weird!



  15. Amy on May 2, 2020 at 11:38 pm

    Hi Jane, I hope you’re well! I’ve made this recipe before and it was DELICIOUS! I’m wanting to make it again but I’m really struggling to find light brown sugar anywhere! I found some light brown muscovado sugar, would that work or not?! Thank you

    • Jane's Patisserie on May 3, 2020 at 9:22 am

      Muscovado sugar should work fine, but golden caster sugar or regular caster sugar also works well!



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