Craving chocolate cake but don’t want to bake a whole cake? This easy chocolate mug cake is the perfect solution! Made with everyday pantry ingredients, this single-serving dessert is ready in under 3 minutes, including around 90 seconds in the microwave. With no eggs or butter needed, it’s a quick, inexpensive way to enjoy a homemade chocolate treat whenever the craving strikes.
With its rich chocolate flavour and soft, thick centre that’s almost like a lava cake, this dessert is ideal when you fancy something sweet after work or a long day. It’s dairy-free and egg-free, with no butter needed, and can easily be made vegan with plant-based milk and suitable chocolate chips.
Best of all, you don’t need fancy equipment or a long list of ingredients. Just grab a mug, mix everything together and let your microwave do the work!
Why I Made This Recipe
Sometimes you just want a little chocolate cake without making a whole batch. I love recipes that make homemade baking accessible, especially on those days when you fancy a treat but don’t have the time or energy for a bigger baking project.
This mug cake is a simple way to satisfy that craving with ingredients you probably already have at home. I also love how easy it is to adapt with different mix-ins and toppings, so you can make it your own.
Proof that baking something delicious doesn’t have to be complicated!
Why You’ll Love This Chocolate Mug Cake
Ready in under 3 minutes. Mix your ingredients and microwave for around 90 seconds for a quick homemade dessert.
Perfect for one. Make a single serving whenever you fancy a cake, but don’t want to bake.
Dairy-free and egg-free. This recipe needs no butter or eggs, and you can make it vegan with plant-based milk and suitable chocolate chips.
Simple to customise. Add your favourite mix-ins or finish with frosting, sprinkles or other toppings.
Minimal washing up. Mix and cook everything in the same mug.
Ingredients You’ll Need
One of my favourite things about this recipe is how few ingredients it needs. You probably have most of them in your kitchen already!
Here are the ingredients you’ll need to make one chocolate mug cake.
All Purpose Flour: Provides the structure for the cake. You can substitute with a suitable gluten-free flour blend if you need a gluten-free option.
Baking Powder: Helps the cake rise as it cooks in the microwave.
Salt: Balances the sweetness and enhances the chocolate flavour.
Cocoa Powder: Gives the cake its rich chocolate taste. Use unsweetened cocoa powder.
White Sugar: Sweetens the cake and balances the bitterness of the cocoa.
Oil: Replaces butter and helps keep the cake moist. A neutral-flavoured oil works well.
Milk: Brings the dry ingredients together into a thick batter. I use plant-based milk to keep the recipe dairy-free and vegan.
Chocolate Chips: An optional but delicious addition for extra chocolate flavour.
Spray Oil: Used to lightly grease the inside of your mug and help prevent sticking.
How to Make Chocolate Mug Cake
This recipe couldn’t be much easier! You’ll need a microwave-safe mug with a capacity of approximately 350 ml, a spoon and your ingredients.
1. Prepare your mug. Lightly spray the inside of your 350 ml microwave-safe mug with oil. This helps prevent the cake from sticking to the sides.
2. Mix the dry ingredients. Add the flour, baking powder, salt, cocoa powder and white sugar directly to the mug. Stir them together to distribute the ingredients evenly.
3. Add the wet ingredients. Pour in the oil and milk.
Mix thoroughly until you have a smooth, thick batter. Take your time with this step and scrape the bottom and sides of the mug as you mix. It’s important to incorporate all the dry ingredients, as pockets of unmixed flour or cocoa can affect how evenly the cake cooks.
Don’t worry if the batter seems thicker than you expected. That’s perfectly normal for this recipe.
4. Add the chocolate chips. Sprinkle the chocolate chips over the top of the batter. They’ll add an extra hit of chocolate to your finished cake. You can also experiment with other mix-ins if you’d like to try something different.
5. Microwave the cake. Place the mug in your microwave and cook until the cake has risen and is cooked to your liking. In my 900-watt microwave, this takes approximately 90 seconds. Start checking at around the one-minute mark, particularly if you’re using a more powerful microwave. You’ll notice the cake puffing up as it cooks before settling back down. This is normal, so don’t be alarmed if it rises quite dramatically!
6. Let it cool and enjoy. Carefully remove the mug from the microwave. It will be extremely hot, so leave the cake to cool for a couple of minutes before eating. Your chocolate mug cake should have a thick, soft consistency with a lovely chocolatey centre. Enjoy it straight from the mug or add your favourite toppings for an extra-special treat.
My Tips for the Best Chocolate Mug Cake
Use a suitably sized mug. I recommend a microwave-safe mug with a capacity of around 350 ml. The cake needs room to rise while it cooks, so avoid using a mug that’s too small.
Mix right down to the bottom. This is probably the most important tip! Make sure all the flour and cocoa powder are incorporated into the batter. Any dry pockets left at the bottom can stop the cake from cooking evenly.
Don’t worry about the thick batter. This recipe produces a fairly thick mixture, which is exactly what you want. You don’t need to add extra milk just because it looks thicker than a traditional cake batter.
Adjust the cooking time to your microwave. My 900-watt microwave takes about 90 seconds, but cooking times vary depending on the power of your appliance and the mug you’re using. Start checking at around 60 seconds if your microwave is more powerful.
Keep an eye on the cake as it rises. The batter will puff up considerably during cooking and then settle back down. Leave enough space at the top of your mug to accommodate this.
Allow it to cool before eating. The mug and cake will be very hot straight out of the microwave. A couple of minutes of cooling time makes it much more comfortable to enjoy.
Variations and Topping Ideas
One of the best things about mug cakes is how easy they are to customise. Once you’ve mastered the basic recipe, you can experiment with different flavours and toppings.
- Extra chocolate: Add a drizzle of my dairy-free chocolate ganache for an even richer chocolate treat.
- Berry chocolate cake: For a fruity twist, add a spoonful of my 3-ingredient raspberry compote. The sweet-tart berries complement the rich chocolate beautifully.
- Dried fruit: Stir in a small amount of your favourite dried fruit for extra texture and sweetness.
- Nuts and seeds: Add a sprinkle of chopped nuts or seeds if they’re suitable for your dietary needs.
- Frosted chocolate cake: Allow the cake to cool before adding your favourite dairy-free frosting.
- Sprinkles: Finish with colourful sprinkles for a fun dessert.
- Ice cream: Serve with a small scoop of dairy-free ice cream for a more indulgent treat.
You can keep it simple or dress it up depending on what you have in the kitchen. It’s a great way to make a quick dessert feel a little different every time.
Can I Make This Chocolate Mug Cake Gluten-Free?
Yes, you can try replacing the all-purpose flour with a suitable gluten-free flour blend. As different flour blends absorb liquid differently, the texture may vary, so follow the blend’s guidance where available and check that your other ingredients are suitable for your dietary requirements.
Storage
This chocolate mug cake is best enjoyed freshly made, while it’s still warm and soft. As it’s a single-serving recipe that takes less than 3 minutes to prepare, there’s really no need to make it ahead of time.
For the best texture, mix and cook a fresh mug cake whenever you’re ready for a chocolate treat.
Mug Cake Questions
Yes! The recipe contains no egg or butter. Use plant-based milk and vegan chocolate chips to keep the entire recipe vegan.
In my 900-watt microwave, the cake takes approximately 90 seconds to cook. The whole recipe takes less than 3 minutes from start to finish, including mixing and a short cooling period. Adjust timings based on your microwave’s power.
It’s normal for a microwave mug cake to puff up as it cooks and then settle back down. This is part of the cooking process and doesn’t necessarily mean anything has gone wrong.
You can try using a suitable gluten-free flour blend in place of the all-purpose flour. The texture may differ depending on the blend, so results can vary.
The most common things to check are how thoroughly you’ve mixed the batter, the size of your mug and the cooking time. Make sure you scrape the bottom of the mug when mixing, use a suitably sized microwave-safe mug and adjust the cooking time for your microwave.
More Quick and Easy Recipes
If you love quick desserts, try my 3-Minute Vegan Mug Cake for another easy microwave treat with different flavour and mix-in options.
If you’re baking for a few people instead of just yourself, try my small-batch dairy-free chocolate cupcakes. They make six cupcakes and are a great option when you’re craving something chocolatey without baking a full-sized cake.
Final Thoughts
When a chocolate craving strikes, this little mug cake is an easy recipe to keep in your back pocket. Make it as written or try different toppings to create your own favourite version.
Enjoy!
Easy Vegan Chocolate Mug Cake – Ready in 3 Minutes!
Angela’s Top Tip
Weigh your dry ingredients in grams with a scale for best results!
Ingredients
- Spray oil for greasing
- 4 tbsp All Purpose Flour
- ½ tsp Baking Powder
- ¼ tsp Salt
- 1 tbsp Unsweetened Cocoa Powder
- 3 tbsp White Sugar
- 2 tbsp Neutral Oil
- 2 tbsp Plant-based Milk
- 1 tbsp Vegan Chocolate Chips
Instructions
- Lightly spray the inside of a 350 ml microwave-safe mug with oil.
- Add the flour, baking powder, salt, cocoa powder and sugar. Stir to combine.
- Add the oil and plant-based milk. Mix thoroughly until smooth, scraping the bottom and sides of the mug to incorporate all the dry ingredients.
- Sprinkle the chocolate chips over the batter.
- Microwave for approximately 90 seconds at 900 W, checking from around 60 seconds if using a more powerful microwave. Cooking times will vary depending on your appliance and mug.
- Carefully remove the mug from the microwave and allow the cake to cool for a couple of minutes before enjoying.
Video
Notes
- Mug size: Use a microwave-safe mug with a capacity of approximately 350 ml to allow room for the cake to rise.
- Batter consistency: The batter will be thick. This is normal for this recipe.
- Microwave power: This recipe takes approximately 90 seconds in a 900 W microwave. Cooking times vary depending on your microwave’s wattage and the size of your mug. If you’re using a more powerful microwave, start checking at around 60 seconds to avoid overcooking. The cake will puff up as it cooks and then settle back down.
- Gluten-free option: Try substituting a suitable gluten-free flour blend. Results may vary depending on the blend.
- Customise your cake: Add dried fruit, berry compote, nuts or seeds, or finish with dairy-free frosting, sprinkles or a scoop of vegan ice cream.
- Best enjoyed fresh: This single-serving cake has the best texture when eaten shortly after cooking.
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