Chocolate Lava Mug Cake (viral TikTok recipe) (2024)

Published: · Modified: by Chloe · 15 Comments

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This honest-to-goodness 5-minute Chocolate Lava Mug Cake recipe is the stuff chocolate dreams are made of! It is loaded with everything you are looking for in Classic Chocolate Lava Cake- from the tender, buttery crumbs to the gooey choco-lava center- but is made in a mug using a microwave only!

The Best Chocolate Lava Mug Cake

This fluffy and decadent treat has become a Tiktok sensation not just because of its scrumptiousness but also cause it's ridiculously easy to do! You do not need an oven or a baking pan, nor do you need to follow any complicated steps to make it! It's as simple as mixing everything in a mug and letting your microwave do all the work! This self-splurging, mug-sized treat is perfect for those late-night chocolate cravings or when you need a delicious dessert made in a jiffy!

While the origin of the mug cake is unclear, this innovative sweet treat's continuous rise in trend has shown us how one can adapt a classic oven cake into a quick and easy, novice-friendly recipe using modern appliances. Plus, it uses pantry staples that you can quickly get your hands into!

Chocolate Lava Mug Cake (viral TikTok recipe) (1)

A 6-ingredient Recipe

  • Butter: helps the cake rise as it traps steam in the batter while it cooks. It also adds moisture to the finished product, and let's not forget the taste! Who doesn't love butter in their cakes?
    • Can I use margarine? Yes, it is the perfect substitute.
    • Can I use oil instead? Absolutely! This will give you a mug cake that stays moister longer but is less rich in taste.
  • Boiling water ensures that all the flavours are mixed properly as a dispersing agent and provides the proper environment for the cake to rise and become fluffier.
  • Caster sugar / superfine sugar: adds sweetness and more moisture.
    • Can I use regular white or brown sugar? Yes, you can, though caster sugar is advised as it dissolves more quickly.
  • Cocoa powder: I use Hershey's (US) or Nestle (AUS/UK) brand. Do NOT use hot cocoa powder or raw 'cacao powder.'
  • Self-raising flour: Using it makes the ingredient list shorter as it already contains baking powder and salt. So convenient!
    • Can I use plain flour? Yes, just add ¼ teaspoon of baking powder and a pinch of salt. The rule of thumb is to mix one cup of flour with 1 ½ teaspoons of baking powder and ¼ teaspoon of salt to make larger quantities.
    • Can I make it gluten-free? Sure, use a brand of flour without gluten.
  • Dark chocolate: choose melts, cubes, or choc chips to become the ooey-gooey centre of our lava cake!
    • Can I use milk chocolate? Yes, but it may be sweeter.
    • Using chocolate chips? No problem! Just make sure to press them close together in the centre of the mug cake.

You have to try this one to believe it! Top tip: make sure you use your biggest mug if you want to keep your microwave clean! A small heat-proof bowl will also work in a pinch.

Bon appétit!

Chocolate Lava Mug Cake (viral TikTok recipe) (2)

How to Make the Perfect Chocolate Lava Mug Cake

  1. Stir the boiling water and butter in a large mug until the latter has melted. Add sugar and mix evenly, then stir in self-rising flour and cocoa powder until smooth.
  2. For the molten lava center, press down the chocolate squares into the middle of the batter, making sure they're close together.
  3. Cook the cake in a microwave on full power until it has risen and the raw batter on top is all gone. Stick fork or spoon into cake's center to check if cooked through. Cook further in 5-10 second bursts if needed.

Variations and Add-ons

While one might say that a well-done chocolate lava mug cake is perfect on its own, there's no reason not to try and step up a bit further by adding some variations. One of the most recommended ways to eat this treat is by serving it with a dollop of whipped cream or your favourite flavoured ice cream. Alternatively, you can add other toppings such as ganache, vanilla sauce, or different types of sauces that would suit your taste buds.

As for the batter itself, vanilla is always a welcome addition. Vanilla acts as an enhancer to all other flavours, giving more complexity and dimension to your baking. If you also want to add extra lightness and tenderness to your mug cake, try adding a bit of buttermilk.

Do's and Don'ts when Making Chocolate Lava Mug Cake

  • Do grease mug to be used. While eating ungreased cake straight out of the container is a dream come true for us sweet lovers, it's going to be a lot easier to clean it afterward. This is also helpful if you want to transfer the cake to another bowl or platter. Presentation is everything, am I right?
  • Do use check the mug first. Make sure it is microwave-safe before using it! There should be no metal platings or designs. If you do no have one, you can always use ramekins.
  • Don't use small mugs. You may have a merry time looking at your mug overfilled with batter, but you certainly will regret cleaning the mess in the microwave afterwards. Also remember that mug cakes rise even more than regular cakes. Only fill about half-way of the mug. Use a mug that is at least 350 mL (12.5 oz), or use a small microwave-safe bowl. If your cake starts to overflow, stop the microwave and let the cake sink down, then resume cooking.
  • Don't overcook the cake. If your cake is hard and rubbery, it is overcooked. 60 seconds will be plenty of cooking time for this cake in most microwaves. If you know that your microwave is more powerful than standard microwaves, reduce the power to 80%. Don't confuse the chocolate sauce for the uncooked batter. When in doubt, a slightly undercooked cake is far better than an overcooked cake!

FAQs

  • How do mug cakes work?
    • The microwaves heat up our batter, which makes our leavening agent react. This reaction produces carbon dioxide, making our mug cake rise and become fluffy.
  • Is mug cake a real cake?
    • Yes they are. Though Mug cakes are more suitable for gosh-darn-I-need-sweets in the middle of the night cravings, and not recommended if you want to impress your significant other's parents, things like that.
  • Can I make place several mugs in the microwave at once?
    • Sure, but it will take longer to bake them that way.

Storing Chocolate Lava Mug Cake

  • Mug cakes are best eaten straight out of the oven. If not possible, it may be stored at room temperature for 1-2 days so long as it's tightly sealed with plastic wrap. Storing in a refrigerator is not advisable as it ruins the texture.

Chocolate Lava Mug Cake (viral TikTok recipe) (3)

Have you made this recipe?

If you have made this recipe, I would love to hear from you! Leave a review below or share your photo on Instagram and tag me @bakingenvy

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Chocolate Lava Mug Cake (viral TikTok recipe) (4)

Chocolate Lava Mug Cake (viral TikTok recipe)

Yield: 1 Mug Cake

Prep Time: 3 minutes

Cook Time: 2 minutes

Total Time: 5 minutes

This chocolate lava mug cake went viral on TikTok and for a good reason! This cake is soft, rich and moist with a molten lava chocolate centre, and takes just five minutes including preparationandcooking time.

Ingredients

  • 2 tablespoon (40 g) butter, softened
  • 2 tablespoon (40 mL) boiling water
  • ¼ cup (60 g) caster sugar / superfine sugar
  • 2 tablespoon (16 g) cocoa powder
  • ¼ cup (38 g) self-raising flour
  • 4 squares (25 g) dark chocolate

Instructions

  1. In a large mug (350 mL / 12.5 oz capacity or larger), stir together softened butter and boiling water until butter has melted. Stir in sugar until well combined. Stir in cocoa powder and self-raising flour until well combined.
  2. Press the 4 squares of chocolate down into the batter in the centre of the mug, making sure they are quite close together (this will give you a better molten lava centre).
  3. Microwave for 1 minute on full power until the cake has risen and there is no raw batter on the top of the cake. You can quickly stick a fork or spoon into the centre of the cake to see if it cooked through. Cook in further 10 seconds bursts, if needed (but be careful not to overcook). Serve with whipped cream or ice cream, if desired.

Notes

Storage

  • I recommend eating the mug cake while it is fresh. It isn't designed to keep well.

Substitutions & Tips

  • Find the original recipe video onhere on TikTok(you don't need to have a TikTok account to view the video).
  • Butter: you can substitute butter with margarine or oil.
  • Sugar: you can substitute caster sugar with brown sugar or white sugar.
  • Flour: you can substitute ¼ cup of self-raising flour with ¼ cup of plain flour combined with ½ teaspoon of baking powder.
  • Chocolate: you can use milk or white chocolate if you like. You can also use 1 tablespoon of chocolate chips, just make sure to press them close together in the centre of the mug cake.

Troubleshooting

  • Why did my cake overflow?If your cake overflowed then you are using a mug which is too small. Use a mug which is at least 350 mL (12.5 oz) or use a small microwave-safe bowl. If your cake starts to overflow, stop the microwave and let the cake sink down then resume cooking.
  • Why is my cake hard and rubbery?It is likely that you have overcooked the cake. 60 seconds will be plenty of cooking time for this cake in the majority of microwaves. If you know that your microwave is more powerful than normal microwaves, reduce the power to 80%. Don't confuse the chocolate sauce for uncooked batter. When in doubt, a slightly undercooked cake is far better than an overcooked cake!
Nutrition Information:

Serving Size: 1 Mug Cake
Amount Per Serving:Calories: 801Total Fat: 44.9gSaturated Fat: 27.4gTrans Fat: 0gUnsaturated Fat: 12.3gCholesterol: 86mgSodium: 8.2mgCarbohydrates: 87.2gFiber: 6.6gSugar: 62gProtein: 8.5g

You May Also Like

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  • Chocolate Fudge Cake

More Mug Cakes

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Reader Interactions

Comments

  1. Kate says

    I have made this about 10x since I discovered it! Amazing and easy. Thanks!

    Reply

    • Chloe says

      So so glad to hear that Kate! Glad you're enjoying the recipe 🙂

      Reply

  2. Chloe says

    My Cake Didn't turn out well it dried out and the chocolate did not melt Please help Chloe

    Reply

    • Chloe says

      Hi Chloe, it sounds like the microwave may be cooking at too high of a temperature so overcooks the edges of the cake but doesn't heat through to the middle. Are you able to reduce to power of your microwave to 60%-70%? This may help! Hope that works for you 🙂

      Reply

    • Chloe says

      Hi Madhu, yes that should be fine 🙂 hope you enjoy!

      Reply

  3. Jane says

    I’m in Aus so not sure if it’s affecting it. The cake itself is delicious but my centre always just cooks into the batter. I’ve tried cooking choc squares, choc chips and evens freezing some chocolate spread in a ball! My microwave has “mug cake” setting so I am using that. Don’t get me wrong the cake is fluffy and delicious anyway but I just want that gooey centre!

    Reply

    • Chloe says

      Hi Jane, I'm glad you like the cake itself! I'm in Australia too, so the measurements shouldn't be the issue. I use four squares of Cadbury or Nestle Baking Chocolate and I make sure to stack them one of top of the other. If you keep all of the squares together, you should have a gooey centre! If they are spread out, they will absorb into the batter. Let me know if that helps! If you're still having problems, use 6 squares and see how you go.

      Reply

  4. Simcha says

    Hi, I’ve tried this before and it’s worked really well, but I wanted it again so I did it today but it didn’t work at all, the batter looked really light and when I cooked it, it was super raw with liquid coming to the surface, I tried cooking more in the 10 second bursts like suggested, but that just kept bringing liquid up and never cooked the cake, I’m not sure what I did wrong cause I’m sure I followed the recipe exactly except using plain flour + baking power like the substitute said, but instruction wise doing the same thing, I’ll try again maybe but I want to know why it happened & what went wrong

    Reply

  5. Simcha says

    Regarding my last comment, I tried again just now and realized I did 2 tablespoons of butter but 2 teaspoons of the other tablespoon ingredients, so I had too much butter (or too little of some of the other ingredients), it worked perfectly this time

    Reply

    • Chloe says

      Glad to hear it worked out, Simcha 🙂

      Reply

  6. katie says

    hi I'm Ireland and i tried it today it was yummy but the butter didn't quite melt into it

    Reply

    • Chloe says

      So glad you enjoyed it Katie! Make sure to stir the batter really well to prevent the butter from separating. Hope that helps.

      Reply

  7. Cinnamon says

    Can I use Nutella or snickers instead of dark chocolate?

    Reply

    • Chloe says

      Yes, absolutely! I'd recommend one tablespoon of nutella or a big chunk of snickers.

      Reply

Leave a Reply

Chocolate Lava Mug Cake (viral TikTok recipe) (2024)

FAQs

What is the difference between molten lava cake and lava cake? ›

While both molten cakes and lava cakes typically contain similar ingredients (such as chocolate, butter, eggs, sugar, and flour), the specific recipes may vary. Lava cakes are always chocolate-based, while molten cakes could be made with other flavors like lemon, caramel, or even fruit.

Why did my mug cake turn out rubbery? ›

This is likely because your mug is too small, or you added too much baking powder. Measure accurately and make sure your mug is at least 10oz in volume. Why is my chocolate mug cake rubbery or dry? A rubbery mug cake is indicative of being overcooked, or incorrect measurements.

What is the lava in lava cake made of? ›

Molten Chocolate Cakes, also known as Lava Cakes, are warm individual-size chocolate cakes with oozing chocolate centres. Most recipes will simply have you undercooking a chocolate cake batter, so the outside is set like cake but the inside is raw batter that pours out like lava when you cut into it. Hence the name!

Why is my mug cake so gooey? ›

Just like regular sized cakes baked in an oven, the center should be cooked. Gooey in general means undercooked. Not only does that not taste that great in my opinion, it's also safer to fully cook your batter.

Should lava cake be eaten hot or cold? ›

Evenly divide the batter: It's important that you add the same amount of batter to each ramekin so the cakes bake evenly. You can use a measuring cup, cookie scoop or kitchen scale to help. Can I reheat baked Molten Lava Cake? Molten Chocolate Lava Cakes are best enjoyed hot, immediately after removed from the oven.

Why don't mug cakes use eggs? ›

It's easy to see why—most classic cake recipes call for two or three eggs and serve at least 10 people. So for a single-serving mug cake, just skip the egg; a whole egg will overpower the small amount of batter (and it's pretty tough to divide an egg in quarters).

Why don't mug cakes work? ›

The small size of the treat, particularly the mug you make it in, may limit your ability to properly mix your ingredients together. A regular whisk, for instance, is too big to reach into the space where the wall meets the base, so you might end up with clumps of unmixed dry ingredients at the bottom.

Why does my mug cake taste bitter? ›

If you purposely or accidentally used baking soda instead of baking powder without making any changes to your recipe, you'll definitely end up with a bitter taste. Remember, baking soda is an alkaline, or base, ingredient that naturally has a bitter taste. Baking powder is a multi-ingredient leavener.

What is a fancy name for lava cake? ›

Molten chocolate cake is a French dessert that consists of a chocolate cake with a liquid chocolate core. It is named for that molten center, and it is also known as mi-cuit au chocolat, chocolat coulant ("flowing"), chocolate lava cake, or simply lava cake.

What is a fun fact about chocolate lava cake? ›

Most would cite Chef Jean-Georges Vongerichten as the creator of the cake, the story of how the chef accidentally pulled a chocolate sponge cake out of the oven before it was finished and discovered a runny center. Chocolatier Jacques Torres claims that the dish itself has been available in France before, by himself.

What nationality is lava cake? ›

If You Love Lava Cake, Then You'll Love Domino's. The internet tells us that the French invented the lava cake, which is no real surprise. France is famous for its food, especially pastries. New York City restaurants popularized lava cake in the United States in the 1990s.

Why is it called molten lava cake? ›

Molten chocolate cake is a French dessert that consists of a chocolate cake with a liquid chocolate core. It is named for that molten center, and it is also known as mi-cuit au chocolat, chocolat coulant ("flowing"), chocolate lava cake, or simply lava cake.

What is the meaning of molten lava cake? ›

Meanings and definitions of "molten lava cake"

A chocolate cake containing hot chocolate sauce which flows out from the middle. noun.

What is molten cake made of? ›

The ingredient list is short — butter, chocolate, eggs, sugar and flour — and the video that accompanies this recipe shows exactly how the magic of the chocolate-oozing molten cake comes to be.

Is it melted or molten chocolate? ›

“Molten” is now usually used of hard materials liquified by very high heat, like lava, glass, and lead. Most other substances are “melted,” though some people like to refer to “molten cheese” and a popular dessert is called “molten chocolate cake,” perhaps to emphasize its gooey, lava-like character.

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