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Ultimate Keto Chocolate Brownies

4.4 stars, average of 176 ratings

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These brownies are the ultimate holiday treat. With less than 4 grams of net carbs and 170 calories per serving, they are the perfect after dinner dessert.

One of the ingredients I used to make these rich and fudgy low-carb brownies is avocado. It may sound like an unusual ingredient to some of you but it's definitely worth trying. It adds richness and heart-healthy monounsaturated fats. Don't worry, you won't be able to even tell it's there!

Apart from brownies, avocado works in other ketogenic treats like ice-cream. I used it in my Mint Chocolate Chip Ice-Cream, Key Lime Popsicles and Chocolate Popsicles.

Hands-on Overall

Allergy information for Ultimate Keto Chocolate Brownies

✔  Gluten free
✔  Dairy free
✔  Nightshade free
✔  Pork free
✔  Fish free
✔  Shellfish free
✔  Beef free

Nutritional values (per serving)

Net carbs3.7 grams
Protein5.1 grams
Fat14.8 grams
Calories169 kcal
Calories from carbs 9%, protein 12%, fat 79%
Total carbs7.3 gramsFiber3.6 gramsSugars2 gramsSaturated fat5.6 gramsSodium129 mg(6% RDA)Magnesium61 mg(15% RDA)Potassium240 mg(12% EMR)

Ingredients (makes 16 servings)

Wet Ingredients:
Dry Ingredients:


  1. Preheat the oven to 175 °C/ 350 °F (fan assisted), or 195 °C/ 380 °F (conventional). Break the chocolate in pieces. Place a bowl over a pot of water and bring to boil. Keep on low heat and make sure the water doesn't touch the bowl (or use a double boiler). Add the butter and let it melt, stirring occasionally. Ultimate Keto Chocolate Brownies
  2. Meanwhile, place the eggs in a mixer like this one from Kenwood. You can use a hand whisk too. Add the stevia drops (if used), ... Ultimate Keto Chocolate Brownies
  3. ... and Erythritol and process until well combined. Halve the avocado and remove the seed. Ultimate Keto Chocolate Brownies
  4. Use a spoon and scoop the avocado flesh into a blender. Add coconut milk and pulse until smooth and creamy. Ultimate Keto Chocolate Brownies
  5. Add the blended avocado into the egg mixture and process until well combined. Ultimate Keto Chocolate Brownies
  6. Pour in the melted chocolate & butter and mix until creamy. Ultimate Keto Chocolate Brownies
  7. Mix all the remaining dry ingredients: almond flour, coconut flour, cacao powder, baking powder and salt. Ultimate Keto Chocolate Brownies
  8. Add the dry mixture into the mixer and process until well combined. Ultimate Keto Chocolate Brownies
  9. Place the dough in a baking dish (I used a silicone square baking dish like this one). Flatten with a spatula and transfer into the oven. Ultimate Keto Chocolate Brownies
  10. Bake for 20-25 minutes or until set. Keep an eye on the brownie to prevent the top from burning. Ultimate Keto Chocolate Brownies
  11. When done, remove from the oven and let it cool down on a cooling rack. When the brownie is hot, it will be crumbly. It will be easy to cut after it cools down.
    Enjoy with whipped cream or creamed coconut milk and cacao powder or cinnamon on top! Ultimate Keto Chocolate Brownies

Ingredient nutritional breakdown (per serving)

Net carbsProteinFatCalories
Dark chocolate, 85% cocoa (cacao)
1.3 g0.7 g2.9 g33 kcal
Butter, unsalted, grass-fed
0 g0 g2.9 g25 kcal
Egg, whole, fresh, raw (free-range or organic eggs)
0.1 g1.2 g0.9 g13 kcal
Avocado, fresh
0.2 g0.3 g1.8 g20 kcal
Coconut milk (full-fat, unsweetened)
0.1 g0.1 g0.8 g7 kcal
Almond flour (blanched ground almonds, almond meal)
0.8 g2 g4.9 g55 kcal
Coconut flour, organic
0.2 g0.3 g0.3 g7 kcal
Cocoa powder, raw (cacao)
0.6 g0.5 g0.4 g6 kcal
Erythritol (natural low-carb sweetener)
0.4 g0 g0 g2 kcal
Baking powder, gluten-free
0.1 g0 g0 g1 kcal
Salt, pink Himalayan rock salt
0 g0 g0 g0 kcal
Total per serving
3.7 g5.1 g14.8 g169 kcal

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Martina Slajerova
Creator of

Martina Slajerova

I changed the way I ate in 2011, when I was diagnosed with Hashimoto’s, an autoimmune disease that affects the thyroid. I had no energy, and I found it more and more difficult to maintain a healthy weight.

That’s when I decided to quit sugar, grains, and processed foods, and to start following a whole-foods-based ketogenic approach to food.

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Comments (88)

I'm going to make these, but could I ask if the sweetener does anything structurally rather than just sweeten? I usually find recipes too sweet and would like to reduce the amount used, but not if it alters the texture

Hi Robbie, you can reduce the amount of sweetener if you prefer these less sweet. It won't have a significant effect on the texture.

I made this recipe using sunflower seed flour and 85% Dark Chocolate with Chili. They are delicious, moist and not too dense. Yum!

Thank you Diane, I'm glad you enjoyed!

What size pan do you use and if I don't have a silicone square baking dish and use a glass dish..Is there any further instruction (oil or dust the pan)? Thank you! We love you!

Hi Tamra, this one was 8 x 8 inches (20 x 20 cm). I'd line the baking dish with 2 pieces of parchment paper long enough to be able to "lift" the brownie once it has cooled. I hope this helps!

I did just that...Thank you for getting back...I had to make them in a hurry...My husband could not wait! Yummy!

Thank you so much for your lovely feedback!

I cannot wait to try these! I enjoy your mocha fat bombs all the time. So delicious and easy to make. I am so happy I found your blog. I couldn't do keto without you.

Thank you so much Diana!

Please could you let me know how many grams is a portion?

I'm afraid you will need to weigh the brownie for that info. I didn't weigh it after baking and there is evaporation involved. Having said that you don't have to be too precise - just cut it in similar slices 😊

I couldn’t find my 8 x 8 pan when it came time to bake the brownies so I used mini muffin pans. I ended up with 48 mini muffins, some I pressed walnuts into and some I sprinkled sea salt on.  I baked them for 10 to 12 minutes. Perfect bites and portion control for me!  Great recipe

Thank you Cheri!

Being new to Keto, I was a bit scare to try "diet" brownies, doubted they will hit the spot. How wrong was I! They are better than any mix or even made-from-scratch.  So fluffy, light and with a bit of a mousse texture in the middle that got me totally sold!
I did use 85% chocolate and maybe I did overdo a tiny bit on the Erythrol as replacement for the Stevia but I was scare they will be on the bitter side (I was wrong again).
Pair amazingly with my bulletproof coffee in the morning. Who said eating Keto would be hard? It sure isn't when you indulge in healthy and amazing brownies as those!   Thank you so much for your work on that recipe! A+ for sure!
(I'm not even a fan of Brownies, tried them cause I'm trying to convince my teenage daughter to join me and she makes brownie all the time. Mine (your) are way better than hers! ) 😄

Thank you so much, I'm glad you enjoyed! 😊

LOVE this brownie!!  Definitely something I've missed and most other keto brownie recipes just haven't been quite as satisfying!! I forgot to pay attention to the grams for the avocado and just added one but will definitely be making these again.  I also used bakers unsweetened chocolate, added additional Swerve and used sunflower flour because I can't have almonds.  Mine were probably a little dry from not adding enough avocado but have a wonderful dense texture and rich taste.  I can't believe this recipe is 2 years old and I've just found it!  Thank you for your amazing recipes and for the diet challenges that keep me on track!!

Thank you for your lovely feedback!

I made a batch of these brownies this afternoon. I didn't even wait until it had fully cooled to take a bite. Oh my goodness! The only way to describe these brownies...fluffy and light like a whipped truffle cake brownie! Absolutely the most scrumptious dessert I've enjoyed in a long, long time and I haven't even added whipped cream yet! Oh the anticipation! The only thing I did differently was use powdered Xylitol instead of Swerve. I've been using Xylitol for years now and in moderation so haven't experienced any of the typical side effects you hear about. Thank you for creating such a delicious recipe!

Cherylann, thank you so much for your lovely feedback!

Thank you so much for this and all your recipes! Made this today for the first time. The brownies are so tasty, better than the "real" ones I used to bake long long ago... I made a substitution, instead of cacao powder I used organic cacao fiber powder, which is available here in Germany in low-carb shops. You can substitute 1:1 and get the same results but lower net carbs as with regular cacao pwd 😉 Btw today I forgot the salt... you say it's a key ingredient, why? Only for taste oder is there another reason? Next time I won't forget 😉 the recipe is amazing and for sure I will make it again and again and again... thank you!

Thank you for your kind words and for the tip! Yes, the salt is only to taste (no other purpose). I'm glad you enjoyed!

I tried using Erythritol but it has an after taste.

Some people don't like the "cooling" effect of pure erythritol - you might want to try Swerve which is a blend of erythritol and FOS. I hope this helps!

Wondering what amounts I need to just use cocoa instead of chocolate squares. Thanks.

I'd guess you can add 1/2 cup cocoa powder, plus add 1/2 cup butter or coconut oil or cacao butter. I hope this helps!

Ummm... I used your recipe to fool my 40 year old son into eating something healthy with avocado. But I'm not sorry! If I had mentioned to him that it had avocado, he would have insisted that he tasted it. But I kept quiet. He LOVED the brownies. Even the very very picky grandkids loved the brownies. I topped them with an icing that I whipped up with butter, cream cheese, vanilla and powdered Swerve. Good stuff. I'll be making this again!

Oh that is amazing! I'm glad he enjoyed! Thank you for your lovely feedback

These are really really good. My family and I were super impressed!

Thanks so much for this recipe.  The first keto brownie that I tried was just awful, I took one bite spat it out and put the whole batch in the garbge😝.  The texture of these is great and they don't taste low carb.  This will be my go to recipe.

Thank you Donna, I'm glad you enjoyed!

Made them twice, delicious.  These are a favorite in my house even for the non keto eaters.  Second time made in a bigger pan, they baked better for me.  Very grateful for the ingredients being in grams, I had to use 3 small avocados to equate 200 g. I used Nativa sweetener. Thanks for the recipe, these are a great treat.

Thanks so much Kristi, I'm glad you liked them!

Love them....
I can't use Almond flour as I'm allergic to Almond. I use pecans that I grind down myself. The texture is crumbly but with a small dollop of thick double cream, it is a better alternative for me. I've lost almost 13kg in 10 weeks...and boy do I feel so much more alert and happy! Thanks for the amazing recipe!

Well done Farhana! Macadamia nuts are a good alternative too 😊

I have a friend who can’t have almonds either. Could she just use more coconut flour? if yes how much would you suggest to use in total? or should she use another flour instead of the almond flour?
btw I got an 8x8 silicone pan, so just ignore my previous message🙈

Hi Sevda, you could but the texture will be different. If you decide to use coconut flour, keep the following conversion in mind:
1 cup almond flour = 1/3 cup coconut flour plus one more egg
Also you could use ground sunflower seeds, pecans or walnuts instead - or even hazelnuts (same amount as almond flour).

Hi, this recipe looks amazing, I'm going to try it tonight for dessert.  I don't have any dark chocolate though, do you think it would work with cacao nibs?  I also only have stevia powder/granules, would I only use about a tablespoon of this as I have heard that it can be quite bitter, or could I possibly use some vanilla bean paste?

Hi Clare, if you don't have dark chocolate, try more cacao powder + butter instead. Cacao nibs won't work. Stevia can be used as an alternative. It depends on the product but if it's pure stevia powder, it will be 200-300 times sweeter than sugar. If it's granulated stevia mixed with erythritol, then it should be as sweet as sugar. I think the best approach is to add sweetener at the end, taste and add more if needed. Vanilla bean paste contains sugar - I'd personally avoid it and use either vanilla bean powder or unsweetened vanilla extract. I hope this helps!

Is there any flourless version of this recipe?
I only have almond flour, how much almond flour can I substitute for coconut flour in this recipe?

Although I haven't tried it in this recipe, in most baked goods you can substitute coconut flour with almond flour in 1: 3 ratio (for every part of coconut flour, use 3 parts of almond flour). In this recipe, it would mean that you should use 3/4 cup almond flour instead of 1/4 cup coconut flour.

Can I use only almond flour and also, omit the avocado?

Hi Maria, check out this recipe, it's from my KetoDiet cookbook: Fudgy Grasshopper Keto Brownies

Wow these came out so great! Didn't realize these would be so thick but thats fine because that means more brownie per serving for me!  They are very dense though and definitely taste of dark chocolate.  I uses 100% unsweetend dark bakers chocolate and used drops of stevia to sweeten.  Would like to see what I could do to make these just a tad bit less dense so I'm not grabbing a glass of water to get these down.  Any suggestions would be helpful. Kids devoured these like no tomorrow so absolutely making these again!

Thank you! I suppose you could use more almond flour and less of the avocado-chocolate mixture to make them more cake like 😊

I made these and they were so good. I did alter it a bit by only adding 1/4 cacao instead of 1/2 after reading a comment that it was a bit strong. I wasn't sure if I needed to replace the other 1/4 cup so I added defatted peanut flour hoping the peanut butter taste would come through but it didn't. Next time I might try adding 1/4 cup of oat fiber instead and see how that does.
If I omit 1/4 of of the cacao powder do I need to add something else in it's place?
Thank you!!!!

Sorry about the late reply - I just found your comment! I think you could use almond flour - or coconut flour instead. I'd go for 1/4-1/3 cup almond flour or 2-3 tablespoons coconut flour instead of the 1/4 cup cocoa powder. I hope this helps 😊

OMG I just made them and they are so good!
First I thought they will be dry but they are so moist.
Btw thank you for writing in the recipe the ingredients in gram as well - for me as a german girl it is much easier to bake 😊

Thank you Cristiana, I'm glad you liked them! 😊

I made these tonight to test out a new convection toaster oven that we bought. They are -perfect-. Thank you for such a great recipe! I used 100% instead of 85% chocolate and kept the same amount of erythritol and just a few drops of chocolate stevia. Absolutely delicious served with whipped cream and a dash of cinnamon.

Thank you Jody! 😊

Hi Martina,
These are delicious! I also calculated that these have more like  11 net carbs per serving, almost all from the swerve alone. My food database says that 3/4 cups swerve has 180 g of net carbs. Is there a different product I should be using?

Thank you Kimi! Swerve is almost zero-carb because it has no effect on blood sugar and is almost zero calorie. Here is more about sweeteners: Complete Guide To Sweeteners on a Low-Carb Ketogenic Diet

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