This Low Carb, Sugar-Free Chocolate Mug Cake is amazing! Made in just 1 minute in your microwave, but oven directions are provided! This Keto Chocolate Mug Cake is sugar free, low carb, dairy free, gluten free and just 3 net carbs!
Best Keto Chocolate Cake
Do you ever have a time when you just need a little chocolate fix? Rather than make a whole cake you can simply make one serving so you can have perfect portion control, because sometimes even keto desserts are hard to resist, am I right?
This chocolate keto mug cake recipe has been one of my most popular recipes since I first posted it back in May of 2014. I felt it deserved a front row seat this month and I added an easy video below for you!
For chocolate lovers everywhere this chocolate mug cake recipe will curb that sweet tooth craving.
Besides this beauty, I've got a bunch more mug cake recipes you might enjoy, like my Carrot Mug Cake, Cannoli Mug Cake and my Tiramisu Mug Cake, or maybe lemon mug cake is more your speed.
Easy Keto Chocolate Mug Cake
The best part about this sugar-free mug cake made in a single serving is that it is just enough to enjoy a sweet treat without feeling tempted to eat more, since there isn't any!
With just a handful of ingredients you probably have on hand, you can make it whenever you want. You can also enjoy it whether on a keto diet or you follow a low-carb lifestyle, as it's high in fiber and protein, sugar free and low in carbs!
You can certainly just eat it right in the microwave-safe mug you make it in, but for picture purposes I popped mine out after it cooled slightly. I did spray my dish with nonstick cooking spray before pouring in the batter just in case, but if you are eating it right in a large mug no need for that.
Microwave or Oven Mug Cake
If you want a successful recipe with rich chocolate flavor, the best thing you can do is not overcook your mug cake.
Microwave cook time will vary so you may need another 20-30 seconds to make sure it cooked through, just check with a toothpick, if it comes out clean you're good to go.
You could also make this in an oven if you prefer, see directions below.
I'm really in love with this moist cake and hope the next time you have a chocolate craving you try my recipe.
I adapted from some of my tasty mug cakes and kept out the coconut flour I used in those recipes to make this more dense and unlike a muffin texture. I'm super happy with the results and I hope you'll try it and come back and share how you liked it, I love reading comments like that!
How to Make Keto Chocolate Mug Cake
Simple Ingredients
Egg, unsweetened almond milk or you can also use heavy cream, low-carb sweetener, ground flaxseed or almond flour, unsweetened cocoa powder, baking powder, salt.
Optional toppings like sugar-free chocolate chips and sugar-free whipped cream.
Microwave Directions
Spray your large mug or ramekin with cooking spray. Whisk the dry ingredients together. Mix in the wet ingredients. Microwave for 45 seconds, up to 1 minute. Check center of cake with toothpick. If it comes out clean, it's done.
Oven Directions
Preheat your oven to 350 degrees F. Follow directions to prepare cake.
Place in preheated oven for 10 minutes. Check center with a toothpick. If it comes out clean, it's done. If not bake an additional 5 minutes then check again.
More delicious mug cake recipes, like this Peanut Butter Mug Cake or this Red Velvet Mug Cake for 2!
Sugar-Free Keto Toppings
As you can see from the pictures, I enjoyed the whole cake topped with sugar free whipped cream, some melted sugar-free chocolate chips. It's the perfect size and I was truly satisfied!
Swapping Low-Carb Sweeteners
You can use your favorite sweetener of choice, you know I'm a huge fan of liquid stevia, but anything you like will work. If you don't have chocolate stevia, you can use vanilla or plain or even powdered. I would use only ¼ teaspoon if it's the pure extract or 1 packet if that's all you have.
A full dropper of stevia yields about ⅛ of a teaspoon, sometimes I can get ¼ teaspoon but never more than that. So if you don't have a dropper in your liquid stevia, measure out ¼ teaspoon, depending on your brand that may not be sweet enough for you. You may need ½-1 teaspoon if you like really sweet cakes.
You can use my sweetener guide and conversion chart to determine how much sweetener to use to replace the stevia I used in my orginial recipe.
UPDATE: I've swapped the ground flaxseed with the same amount of almond flour and it came out just as good.
Best Recipes with Chocolate
- Chocolate Peanut Butter Easter Eggs, Chocolate Ganache Filled Cupcakes, Chocolate Fudge Protein Bars, and this easy Homemade Magic Shell!
1 Minute Sugar Free Chocolate Mug Cake
1 Minute Sugar-Free Chocolate Mug Cake
Ingredients
Chocolate Cake
- 1 egg
- 2 tablespoons unsweetened almond milk
- ½ teaspoon liquid chocolate stevia or sweetener of choice
- 1 tablespoon ground flaxseed
- 2 tablespoons unsweetened cocoa powder
- ¼ teaspoon baking powder
- dash salt
Optional Toppings
- 1 tablespoon sugar free chocolate chips melted
- 1 teaaspoon avocado oil
- Top with sugar free whipped cream!
Instructions
- Whisk the egg, almond milk and liquid stevia until combined. Whisk in the remaining dry ingredients. Pour batter into a greased ramekin or mug.
Microwave Directions
- Microwave for 45 seconds to 1 minute (may need 20 seconds extra depending on your microwave.) Check center with a toothpick, if comes out clean, it's done.
- Melt Lily's chocolate chips with oil and pour over cake.
Oven Directions
- Preheat oven to 350 degrees F. Bake for 10-15 minutes or until a toothpick in center comes out clean.
Notes
- Nutrition info does not include chocolate syrup or whipped cream.
- This recipe was first published in May 2014.
Nutrition
About Brenda
Brenda Bennett is a certified Nutritional Therapy Practitioner, certified Sugar Detox Coach, certified Keto Coach and certified Life Coach. She has been Sugar Free & Refined carb free for 17 years and has written 2 cookbooks, Sugar-Free Mom, and Naturally Keto and her 3rd book The 30-Day Sugar Elimination Diet, is a four part program to help you detox from sugar, eliminate cravings, balance blood sugar and lose weight all while eating a delicious, nutrient dense whole foods. Meal plan offers two tracks to follow, low carb or keto. She is the founder of the Sugar Free Fresh Start course and Sugar Free Tribe weight loss membership. Learn more.
Sue
Made this with almond flour; added a little unsweetened coconut. Topped it with sugar free cream cheese frosting instead of the chocolate sauce. Delicious! Thanks for sharing this recipe!
Patricia Rainwaters
I found the syrup to be like bitter chocolate water. Kept looking at the recipe and could not figure out why.Second time I changed things for my taste. I used half the cocoa and more stevia and the cake was great ! I put Hersheys SF syrup on top with SF cool whip.
Amanda
I tried making this and loved it!! It's so nice to be able to have a yummy treat and not feel guilty about it afterwards. The only thing that I did differently was add a little nut butter to the chocolate sauce as I love nut butters with my chocolate 🙂 Thanks for the recipe!
DeeDee
I made this with heavy whipping cream instead of unsweetened almond milk (it was all I had on hand), almond flour, and regular stevia (I didn't have chocolate flavored). I loved the ease and convenience of making this. The texture was good, but I will definitely invest in chocolate stevia to get more of a chocolate taste! I also didn't make the chocolate syrup, so maybe next time I will! Will definitely make it again!
NeverEnoughPolish
I just wanted to let you know that I made this and it was super delicious! Having just gone low carb all of this is new for me - Swerve, almond flour, etc. but sites like yours are helping me realize that I can still enjoy making things and that I don't have to feel completely deprived so thank you!
Mary
Congratulations, this Choc Mug Cake is a delight, thank you. Just what I have been looking for. Cant get Chocolate Stevia drops so used my granulated sweetener which is a mix of Stevia and Erythritol. Love the light moist texture using Golden Flax Seed powder, this recipe is a winner, love it 🙂
Brenda
Thanks!
kristine summers
Just made this it was soo easy my son and i loved it but the only thing i would change is all the stivia after eating it its left such a bitter after taste... but so impressed with making it this is my first ever mug cake ..
Maria
Can I use canola oil if I don't have coconut oil? How do I make the chocolate poder dissolve to make the syrup ?
Brenda
It will mix fine with the other ingredients. Any oil will work.
Maria Rivera
if I don't have ground flaxseed or almond meal, can use all purpose flour?
Brenda
sure
Kathleen
The first time I made this, using freshly ground flax and freshly purchased Hershey's cocoa, it was too bitter. Unsweetened cocoa is naturally bitter, so now I make this by reducing the cocoa by 1 tablespoon and increasing the ground flaxseed by 1 tablespoon. Not as chocolatey, but still good and not bitter. A perfect Sunday afternoon snack. Thanks for the recipe!
May
The 1st time I made this w 1 packet of stevia and it wasn't quite sweet enough for me so the 2nd time I used 2 packets and it was delish! The texture is so moist and cake like. I put a scoop of low carb vanilla ice cream on top and skipped the syrup both times. It is such a treat and plenty big of a serving to be satisfying. I feel like this treat is too good to be true!
Emily Adams
What could I use in place of the chocolate stevia?
Brenda
Any sweetener of choice really, start with just a few tablespoons then taste and adjust.
txgrandma
I love this cake! It is so easy and the chocolate taste is so decadent. I use SF Chocolate Syrup and whipped cream and it's delicious. I find that I can whip this up very quickly when I need a chocolate fix. Thanks!
Michelle Morgan
Hi Brenda!
Really want to try this out as I'm a chocolate fiend and this may save me when I'm having a wobble for actual chocolate. I live in the UK so would have to buy liquid chocolate stevia online, or do you think I could substitute with chocolate Sweet Freedom?
Thanks for sharing your amazing recipes : )
Brenda
I've never tried Sweet Freedom, so you'd have to experiment with it and let me know how much you use. I buy most of my flavors of stevia online through iherb.com and my discount code is YAJ035.
Michelle Morgan
Hi again,
Many thanks for your reply and tip/discount code. I'll give it a go asap with the sweet freedom and let you know : )
txgrandma
I made this tonight for dinner. (Actually made 1 for my husband and 1 for myself as I didn't want to share. We both ended up eating all of our own!) We really liked it. It has a good texture and taste. I followed the recipe except for using 2 1/2 Tbsp of erythritol, xylitol and stevia extract mixture in place of the chocolate stevia. I did have to cook it a bit longer than the directions. I also made a ganache of melted sugar free chocolate chips, cream and a bit of coconut oil. I allowed the cream to get very warm in the microwave and then let it sit for a bit while the chocolate melted. I will definitely make this again as it was very quick, easy and delicious. Thanks!
Heather Davis
I adopted the low carb lifestyle a little over a year ago. It is the only way I have been able to keep my weight where I want it to be. I have searched all over the internet for dessert recipes. Most of the ones I have made have been with coconut flour or almond meal/flour. I DO NOT like the texture and flavor of the almond meal/flour. It's all I can taste in the recipe. Then I found this 1 Minute Miracle Chocolate Mug Cake!!! The taste was perfect. The texture was perfect. I was soooooooooo happy!!!!! I read a previous comment that said she liked the way flaxseed was used in your cake type recipes. I must say I agree! As for the bitter taste, I have learned over the past year that our tastebuds are used to the super sweet flavor of real sugar. Stevia is not as sweet and recipes made with stevia or artificial sweeteners are not going to taste like "the real thing." Your tastebuds have to adapt to the differences in flavor. It just takes time.
I am so glad I found your website! I am now a groupie!!
Brenda
Thank you for sharing!
Tundi
Brenda! What a great idea. Chocolate cake is my guilty pleasure. ?
I'm going to try it in the morning. Do you grind flaxseed before?
Thank you! x
Brenda
Yes I use a small coffee grinder I keep just for that.
Tundi
Thank you for your reply. I've been doing the same with millet. I've never tried flaxseed. Can't wait to try. ?
Carol Speer
I just made this and it is awesome!!! I added a few sugar free chocolate chips to the cake mix and it is better than most flour, sugar filled cakes. Thank you so much for all the work you do and share!
Brenda
thank you!
Carrie B
really liked it & will be making this again - thanks Brenda (I usually just taste a teenie bit of the batter & then I know if I need more or less sweetener prior to baking/microwaving/eating)
Justnan
1 Minute Sugar-Free Chocolate Mug Cake!! I'm addicted. I found this recipe and have made it everyday for the past 4 days! It's perfect but I did make some very slight changes (just because I have to play with every recipe!) I added a little vanilla, a pinch of himalayan salt and I halved the stevia as I'm not too keen on the after-taste of stevia. Because I'm dairy free I poured coconut cream over....devine <3
I must share a funny story......Yesterday the cake didn't rise which surprised me as it was perfect the previous times I'd made it. Today when I reached for the baking powder I realised that I had used Cream of Tartar, the packaging is the same ( different label though!) Obviously, I didn't check the label when I took it from the pantry. Must say it still tasted great, just a little tough. 🙂
Thank you Brenda for a fantastic website and for your generosity in sharing your wonderful recipes.
Brenda
FUNNY!!! Happy You love this cake!
Sonya
OH MY WORD!! I just made this Cake!! It is the best one I have EVER tried... and I have tried several!! Thank a million t over!! My absolute new favorite go to dessert!!
Brenda
Thanks so much!
Marijah
What could I substitute for the egg? I know flax meal can be a substitute but I tried it and I don't think the consistency was right. Think we may have an egg sensitivity so giving it a rest for now and trying to find treats to get me through! (dairy free, gluten free, cane sugar free, corn free, and egg free.... phew)
Debi Lane
This is delicious! I am so glad I found it! However, I don't see where you get 8g of fiber. Ground flaxseeds only have 3g per Tbls. Can you tell me where your recipe is getting the extra fiber? Thanks so much!
Brenda
Thanks! The nutrition info is calculated using myfooddiary.com and includes the chocolate syrup as well. There's fiber in other ingredients besides just the flaxseed. I feel confident that the nutrition info is accurate using that website which I pay a monthly fee for each month.
Debi Lane
oh, yes! the unsweetened cocoa powder! thank you! I have eaten two nights in a row now.. 😉
Sara McCauley
I must admit, I was very skeptical when I first saw this. I am one of those people who gags at sugar free drinks and other store-bought sugar free items. I was going to make this for a teacher of mine who is on a sugar-free diet, and I wanted to find him something actually appetizing for a gift. I tried making sugar free chocolate bars with stevia powder, and that failed miserably. It was really, REALLY, disgusting. I had to chug water after trying it, it was truly that bad. So you could see why I was skeptical about sugar-free desserts in general. And so I tried this, very cautiously. And it turned out well. And I was greatly surprised. It still has a very slight stevia aftertaste, but it's hardly noticeable. All in all, this is a really great sugar free dessert, and I am very happy that I tried it!
Brenda
Thanks so much for sharing Sara!
Dee Johnson
This. Is. Amazing! I can not have stevia, so used swerve powder and splenda. Also used cashew milk in place of almond milk. For the topping, I made a cream cheese (sf) icing (equal parts softned cream cheese and butter, pinch of salt, dash of vanilla extract and choice of sweetener. I used powdered swerve and splenda. If your cake has turned out bitter, the key is to taste the batter before you cook it. You can add sweetener if needed. This was fantastic. Thank you!
Brenda
Thanks for sharing!
Sheila
Add on to my comment: I used KAL liquid stevia - 1/2 tsp (no bitterness) and NOW organic cocoa powder.