6-ingredient gooey Swedish chocolate cake (kladdkaka)

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This Swedish chocolate cake is not only one of the best I’ve ever eaten, but the easiest, too. One pan only and no whisking required. Just melt the butter and stir everything else in and you’re only 20 minutes away from oozy, gooey, richly chocolaty heaven!

A close-up of a piece of 6-ingredient gooey Swedish chocolate cake or kladdkaka with a fork on baking paper from the side.

Easy chocolate desserts like this always call my name, so when I saw it in one of those free supermarket food magazines recently, I filed it away in the ‘to make’ section in my head.Usually these ideas float around there for a long time before they (maybe) make it to the blog, but I couldn’t get this one out of my head.

Because, well, chocolate. And can you see how gooey and oozy and chocolaty it is? How could I resist? How can YOU resist?

A whole half of a 6-ingredient gooey Swedish chocolate cake  or kladdkaka on a white cake stand and with the gooey middle showing.

What’s kladdkaka, anyway?

The recipe in the magazine was called Swedish chocolate cake, which in Sweden is called Kladdkaka. Apparently this is a very famous cake in Sweden and everyone has their favourite recipe for it. The cake should be very rich and chocolaty with a delicate crisp and chewy top but soft and gooey inside. A bit like a cross between fudgy brownies and a chocolate soufflé.

The easiest chocolate cake you can imagine… all in one bowl!

After I began to do a bit of research on this special-sounding Swedish chocolate cake, I found out from Top With Cinnamon’s Izy Hossack that there is a much easier way to make it than in the supermarket recipe I saw. So ridiculously easy that it only took me about 5 minutes to get it into the oven.

ALL you do to make this kladdkaka is:

  1. Line and grease one 18-20cm cake pan (a spring form pan is best).
  2. Melt the butter in a saucepan.
  3. Stir in sugar, cocoa powder, vanilla essence and flour.
  4. Bake for 20 minutes.

But look how incredibly chocolaty it looks!

A bowl of gooey Swedish chocolate cake batter with a wooden spoon in it.

I really think this easy chocolate cake is hard to beat … certainly as a quick chocolate desert to whip up for guests that looks quite impressive even though it’s only one tier and doesn’t have any kind of frosting.

So how do you serve kladdkaka?

Swedish chocolate cake doesn’t need any frosting or topping. Just turn it out and sprinkle generously with powdered sugar/icing sugar or cocoa powder.

There. It looks quite impressive just as it is, doesn’t it?

A whole 6-ingredient gooey Swedish chocolate cake on a white cake stand with someone sprinkling icing sugar over it.

If you like, you can serve it with whipped cream and ice cream and some strawberries or raspberries.

I’ve made similar sticky chocolate things to this that tasted quite good too but they took 3 or 4 times longer to make. This cake only has SIX ingredients in it.

Just try not to overbake the kladdkaka because you don’t want to lose that lovely sticky gloopy-ness in the centre. The cake is done when the top is firm but breaks quite easily when you put a bit of pressure on it.

A piece of cake on a plate, with Chocolate cake

Can you make this Swedish chocolate cake ahead?

Yes! Make it a day or two in advance and keep it in the fridge if you like, then simply warm each piece separately in a microwave for about 20 seconds.

If there are any leftovers (and this is a big ‘if’!) pop them into the fridge and steal little bits every time you open the fridge. Well, this is what I always do. Oops. You’ll find when cold this chocolate cake tastes just like fudge! You could even cut it into small squares and tell your friends that it actually IS fudge!

Even Mr. Scrummy, who doesn’t usually like chocolaty cake things of any kind, loved this quick chocolate dessert. It was so scarily good that we ate half and froze the rest to stop ourselves from eating it all in one go.

A close-up of a piece of 6-ingredient gooey Swedish chocolate cake or kladdkaka with a fork on baking paper.

This yummy chocolate cake would be perfect to serve to guests at Easter with mini chocolate eggs sprinkled over the top, or really for any special occasion.

To help you with this recipe: 

I like to use a 7 to 8 inch springform cake pan like this one to make this gooey chocolate cake. Because it’s such a gooey cake, it’s quite delicate when just cooked and this makes it really easy to turn out onto a plate or cake stand.

More really easy desserts

5-minute chocolate banana ice cream (healthy nice cream!)

Easy magic lemon pudding (most controversial recipe on the blog!)

Addictive peanut butter Cheerio bars

No bowl chocolate pecan bars (magic bars!)

5-minute chocolate pots (only 4 ingredients!)

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A close-up of a piece of 6-ingredient gooey Swedish chocolate cake or kladdkaka with a fork on baking paper.
4.71 from 451 votes

6-ingredient Gooey Swedish Chocolate Cake (Kladdkaka)

Quite possibly the quickest, easiest, gooey-est (and so best) chocolate cake you'll ever make. This has only 6 ingredients and takes only 30 minutes to make and bake from start to finish. A cake that is so perfect for serving to guests... or just scoffing at home in front on the TV!
Prep: 10 minutes
Cook: 20 minutes
Total: 30 minutes
Servings: 8 to 10

Ingredients 
 

  • ounces salted butter, (US = just over ½ cup, or just over 1 stick)
  • ½ cups cocoa powder, (plus 1 tablespoon) unsweetened, plus extra for sprinkling
  • cups sugar
  • 1 cup plain flour, (actually, just less than a full cup, about 0.85 cups)
  • 1 teaspoon vanilla extract
  • 3 eggs, lightly whisked

Instructions 

  • Pre-heat the oven to 180C/350F. Line the bottom of a 7-9 inch (see note below) springform cake pan with a circle of baking paper, then grease the paper and the sides of the pan.
  • Melt the butter in a medium saucepan, then take off the heat and set aside.
  • Add the cocoa, sugar, flour and vanilla to the butter and stir a little. Then add the eggs and stir everything together until well combined.
  • Pour the mixture into the cake pan and bake for 20 to 25 minutes (see note below) until the top is set but the centre is still gooey (the top should be firm but crack under a little pressure from your finger).
  • Let the cake cool in the pan, then run a knife between the pan and the cake to loosen it. Turn out onto a plate or cake stand (see note below). Dust generously with cocoa powder and serve warm with ice cream or cream.

Video

Notes

Recipe barely adapted from Izy Hossack’s recipe for Mail Online.

A note on which cake pan to use

I usually use a 9 inch spring form cake pan for this cake, because that's what I have, and it comes out as you see in the photos.
The original recipe that I adapted this from, however, states to use a 7 inch pan. I'd say that anywhere from 7 to 9 inches will work well. 
You might need to make the recipe a couple of times to get the baking time just right (yes, it's one of those recipes, but once you've nailed it, you've nailed it). See below for more hints on getting your cake just right!

Getting your cake just right

Although this is a super quick, easy and delicious cake, it can 'sometimes' (not always) take a bit of perfecting. If your cake still isn't cooked on top after 20 minutes, keep checking it every couple of minutes until it is. I usually find 20 minutes is about right, but of course it depends on your oven/the exact size of your cake pan etc.
One reader reported that the cake took 30 minutes in her oven. So the first time you make this might be a bit of an experiment to see how long you need to cook it in your oven!
You want to avoid overcooking the cake though, because then it won't be as deliciously gooey. 

After your cake is cooked...

You'll find that your cake is quite delicate just after cooking. Let it cool in the pan, then turn it out onto a plate or cake stand.
I usually hold a plate on the top, then invert it quickly. Your cake will then be on a plate, but it will be upside down. To turn it back the right way, I put another plate on the bottom of the cake and turn it back the right way.

Can you make this chocolate cake gluten free?

Yes! I officially tested this recipe using just almond flour in February 2020. It works just as well as it does with ordinary flour.
In fact if anything it's slightly more delicious (if that's possible) because you can very slightly taste the almonds. 
I haven't tried the recipe with gluten free plain flour, but I'm pretty sure you'd have no problem doing a straight swap. The recipe doesn't contain a lot of flour, so flour substitutions tend to work well. Good luck!
Serving suggestion: I like to serve this cake warm with ice cream on top. It's also delicious with fresh raspberries! Or elevate the dessert even more with this 5-minute raspberry puree - you won't believe how easy it is to make.
Love gooey chocolate cakes? Try these gooey strawberry brownies as well.
Also love layer cakes? Try this easy chocolate orange cake with 3-ingredient ganache.
 

Nutrition

Calories: 384kcal, Carbohydrates: 58g, Protein: 4g, Fat: 16g, Saturated Fat: 9g, Cholesterol: 97mg, Sodium: 145mg, Potassium: 121mg, Fiber: 2g, Sugar: 43g, Vitamin A: 510IU, Calcium: 23mg, Iron: 1.8mg
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About Helen Schofield

Don't expect to find anything fussy or complicated here. Just QUICK, EASY & (mostly!) HEALTHY recipes from the Mediterranean and beyond. ENJOY!

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464 Comments

  1. This was so good! I’m replacing my lifelong brownie recipe with this one because the texture was divine. Thank you! I’m not sure how to post a photo of the cake but it is perfectly crackly on top and gooey in the inside and as it cools the texture is still gooey in the middle and a bit chewy and just perfect on the outer parts.

    1. Hi Samiya, and thanks so much for your positive review. What a compliment! Sounds like it turned out exactly as it’s meant to be!

  2. 5 stars
    This Swedish chocolate cake is perfect. Its soft and chewy on the outside and chocolatey yummy gooeyness in the middle. So good with Icecream!

    1. Hi Kerri! I’m so glad you enjoyed it! The ice cream is non negotiable, right?! 🙂

  3. 5 stars
    Baking night with my husband tonight featured this yummy and easy recipe. We served it with vanilla ice cream and homemade salted caramel sauce. A total hit with everyone! Thank you so much for posting your recipe.

    1. Hi Melissa! Thank you so much for your review. I agree this is the ultimate treat with ice cream! So glad you enjoyed it!

  4. Can you make this with sweet cocoa instead of unsweetened? Would you change the amount of sugar then?

    1. Hi Erika, sorry for the late reply! Yes, I think that would work. You could reduce the sugar just slightly, but not too much because this is one of those recipes where the sugar is needed for the chemistry of the recipe. Good luck!

  5. 5 stars
    Super easy and quick. Great for using what ingredients I had in the fridge. Super tasty with some hand whipped cream on top. Evens out the sweet cake. Will make again soon for the holidays!

    1. So glad you liked it, Parvene! Thank you for letting me know and for the 5 star review 🙂

    1. Hi Debbie! Yes, I think this would work. I’d suggest baking just 1 to begin with to see how long they take in your particular oven. I’d bake at the same temperature. Start checking after about 10 minutes, then keep checking every couple of minutes. Good luck!

  6. This was a pleasant surprise. We needed a quick chocolate treat and this was it. The cake did take about 30 minutes in my oven, I might try 29 next time. Either way we really enjoyed it very much.

    1. So happy to hear this, Mona! This cake always hits the spot for us, and I’m glad it did for you, too.

  7. 5 stars
    Third time was perfect!! Yes you have to adjust oven time but worth the effort. I added fresh raspberries and a LIGHT sprinkle of powdered sugar to the top over the cocoa powder.

    1. Hi Franz. Yay! Thank you so much for persevering, and for letting me know how you got on. I think the recipe is worth the little bit of effort to get it right, too. Have a great day!

  8. 4 stars
    Made this cake a couple of days ago and while I definitely over baked it (missed out on the super gooey center) it was still soooo delicious!

    I think my downfall was the expectations I set for what the top of the cake should look like when done. To me, it still appeared slightly shiny and did not “crack “ under pressure when pressed. ? Was expecting a cracked top so I definitely over cooked it (30 mins). I am looking forward to my second attempt tonight! Also, my boyfriend devoured it!!

    1. Thanks for letting me know how you got on, Nikki – really appreciate it! I hope this comment will help others to get it right first time! How did the second attempt go?