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Keto Brownies (Low Carb, Sugar Free Recipe)

Published May 17, 2018 By Julia 23 CommentsThis post may contain affiliate links.

Summary:
Flourless keto brownies with walnuts, only 1.5g net carbs each and easy to make. It's ideal for anyone looking for simple low carb dessert recipes.

Keto Brownies (Low Carb, Sugar Free Recipe)

5 from 7 votes
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Prep: 10 mins
Cook: 35 mins
Yield: 16 servings
Calories: 130
Net Carbs: 1.5g

INGREDIENTS

  • 3/4 cup granular swerve sweetener (6 oz wt.)
  • 3/4 cup blanched almond flour (3 oz wt.)
  • 3/4 cup finely chopped walnuts (3 oz wt.)
  • 6 tbsp boiling water
  • 6 tbsp vegetable oil
  • 2/3 cup dutched unsweetened cocoa powder (2 oz wt.)
  • 2 large eggs
  • 1/4 tsp salt
  • (optional) pinch of sea salt, for topping

INSTRUCTIONS

  • Position a rack in the middle of the oven and preheat to 350 F. Prepare an 8x8 inch baking dish and line the bottom and sides with foil. Grease the foil and set aside.
  • In a large mixing bowl, add cocoa powder, salt, and boiling water, stirring together until smooth.
  • Add vegetable oil and eggs, carefully stirring or whisking until completely smooth, pausing halfway to scrape down the bowl and mixing spoon. It should look like pudding at this point.
  • Add sweetener and almond flour, and stir until well-mixed. Stir in chopped walnuts.
  • Pour the batter into the prepared baking dish, spreading it to the edges and corners. Smooth the surface. Optionally, sprinkle sea salt on top.
  • Bake at 350 F for about 35 minutes. Itโ€™s done when a toothpick inserted in the center has a few moist crumbs attached. Since ovens vary, start checking at 30 minutes.
  • Let the brownies cool for 10 minutes, then pull up the sides of the foil to lift the brownies from the baking dish to a wire rack to avoid overcooking in the dish. For best texture, let it cool completely for 2 hours before cutting into 16 squares and serving.

NUTRITION

Makes 16 Servings
Amount Per Serving (1 brownie):
Calories 130 (86% from fat)  
Total Fat 12g 19%
   Saturated Fat 1g 6%
Cholesterol 23mg 8%
Sodium 50mg 2%
Net Carb 1.5g  
Total Carb 3.5g 1%
   Dietary Fiber 2g 8%
   Sugars 0.5g  
Protein 4g  
Vitamin A 1% ยท Vitamin C 0% ยท Calcium 2% ยท Iron 5%

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keto brownies with walnuts that are low carb and sugar free
These keto brownies are sinfully good. They’re moist and have a strong chocolate flavor, with a texture somewhere between fudgy and chewy. If you’re like me and want that extra crunch in your brownies, toss some chopped walnuts into the batter before baking. For a sweet-and-salty combo, I also like to sprinkle some sea salt on top of the brownies.

This recipe is the sixth iteration of these low carb brownies, as it took that many experiments before I finally got it right.ย For me, low carb baking (like brownies andย keto chocolate chip cookies) is always going to be harder than cooking savory stovetop or Instant Pot dishes. There was literally a month or two when I was eating brownies almost every day — not that I can really complain.

step by step collage showing how to make keto brownies

Making keto brownies

Keto brownies are straightforward to make. No electric mixer or any special equipment needed; just a mixing bowl and a wooden utensil for stirring. The ingredients go in one at a time: first the cocoa powder and boiling water to melt it, then vegetable oil and eggs, and lastly the sugar free sweetener and almond flour. It’s ideal to use a kitchen scale to measure out the ingredients instead of using volume estimates.

The batter is poured over a greased foil-lined 8×8 inch glass baking dish. Whether you use a glass, light metal, or dark metal pan will make a difference in the baking time of your brownies. That’s why the back of cake mix packages will often provide different cook times for different pans. The recipe has cooking time estimates optimized for glass. If you use metal, you might have to tweak the baking time depending on your oven.

It’s important toย notย overbake brownies. Better to err on the side of underbaking. When you stick a toothpick in the center, it should come out with a few moist crumbs but not drenched.

Glass pans have high heat retention, so once the brownies are out of the oven, you’ll want to lift the foil to move the brownies from the pan onto a cooling rack. Otherwise, brownies sitting in a hot glass pan will continue cooking and can lead to overbaked brownies.

For optimally chewy brownies, let the brownies completely cool before cutting into them.ย This can take up to two hours, but your patience will be highly rewarded!

low carb brownies made with almond flour and cocoa powder and sliced into squares

The nuances of cocoa powder

There are two different kinds of unsweetened cocoa powder: natural and dutch process. Dutch processed cocoa has been treated with an alkalizing agent to lower its acidity and it allows more of the chocolate flavor to shine through. Depending on the recipe, you can’t substitute one with the other due to leavening.

For these keto brownies, you should use dutch processed cocoa since there aren’t any leaveners like baking soda in the recipe. If you were to use acidic natural cocoa, you would need baking soda to neutralize it.

To tell which type of cocoa you have, check the packaging. If the ingredient list says “alkali” anywhere, that means it’s dutched; otherwise, it’s natural. The dutch processed cocoa powder also has a noticeably darker color than natural cocoa powder, which affects the color of the resulting brownies.

You can read more about the differences between these two types of cocoa and how to know which one to use in a recipe.

Common ingredient questions

What kind of vegetable oil can I use?

I recommend any vegetable oil with a neutral flavor and less than 10% saturated fat by weight for ideal texture.ย  This means you can’t use butter (52% saturated fat) or coconut oil (82%).

I recommend canola oil (7%). For those of you unsure if canola oil is healthy or not, you can rest assured that canola oil is a safe and healthy fat — check out this explanation by a Harvard nutrition professorย and this answer from a Mayo Clinic dietitian.

What kind of sweetener can I use?

I recommend swerve because it’s a 1:1 replacement for sugar. You can use either granular or confectioners, as their granular form is already very fine. It’s important to measure it out by weight and not volume.

Another option is to use pure erythritol, which I haven’t tested with this recipe. Since erythritol is only about 70% as sweet as Swerve, you’ll need to increase the amount to 8.5 ounces. This will throw off the ratio of wet to dry ingredients. It’ll also result in a thicker batter. Make sure it’s powdered because erythritol granules aren’t fine enough.

Can I replace walnuts with pecans?

No. In my tests with pecans, they gave a burnt taste to the brownies. Walnuts bake much better. I haven’t experimented with other kinds of nuts, but chopped macadamia nuts would likely be great.

Serving and storing

Once your brownies have completely cooled after baking, cut them into 16 squares.ย If you want super clean cutting lines, refrigerate or freeze the brownies to let them harden a bit. I usually pop mine into the freezer for 10 minutes before cutting.

I recommend serving at room temperature. But if you prefer refrigerating them for colder brownies, that’s fine too. Either way, they’ll taste great!

For storing, place the brownies in a tight covered container at room temperature for up to three days. You can keep the individual brownies from sticking to each other by separating them with wax or parchment paper.

flourless keto brownies piled on top of each other

CHECK OUT THESE TASTY KETO DESSERTS:

Tall stack of best low carb chocolate chip cookies, one with a bite taken out
Keto Chocolate Chip Cookies
Tall stack of keto peanut butter cups that are low carb and sugar free
keto peanut butter cups
Low carb version of instant pot cheesecake served on a white plate
low carb instant pot cheesecake
Low carb butter cookies using almond flour, perfect for Christmas and holidays
Low Carb Butter Cookies With Almond Flour

Filed Under: Desserts, Keto Copycats, Per Serving: Under 5g Net Carbs Tagged With: 31-60min, 6-10ingredients, almond flour, cocoa powder, eggs, gluten free, oven, paleo, vegetarian, walnuts, whole30

About Julia

ABOUT THE AUTHOR
Julia is a recipe developer and the founder of Savory Tooth. She shares simple recipes and guides for keto and low carb diets. Learn more.

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newest oldest most voted
AL MORRISON

How much baking soda would I use with natural cocoa powder?

Vote Up0Vote Down  Reply
8 months ago
Julia

I would use 1/2 teaspoon baking soda.

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8 months ago
Monica

I made this recipe yesterday. Happy to report, they were delicious. My daughter in law tried them and asked,โ€These are keto friendly?โ€ I told her,โ€Thatโ€™s what is says.โ€ She couldnโ€™t believe it.

We were both happy with them. I will definitely be making again. Thank you.

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Vote Up0Vote Down  Reply
11 months ago
Tricia

Has anyone scaled this formula up to make more at one time? If so, how much and what was your baking time? One of the best gluten free bars I have ever tasted!

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1 year ago
Martha

I wish someone could give me an alternative to almond flour for baking. I’m allergic to almonds!

Vote Up0Vote Down  Reply
1 year ago
Julia

When searching for recipes, add the term “coconut flour” or whatever your preferred flour is so that you only see recipes that work for you.

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1 year ago
Robin G

Quite delicious! I made these tonight with avocado oil and Lakanto monk fruit / erythritol sweetener 1:1. I didnโ€™t have Dutch cocoa, so I used regular dark cocoa. Iโ€™m not complaining! Licked the whisk, spoon and bowl clean, too! ๐Ÿ˜‰
I tried them right after transferring to the wire rack. Delish! Oh, and I lined my pan with parchment paper as I donโ€™t like using aluminum foil on food. Oiled it with the avocado oil.
I guess Iโ€™m a rebel, I didnโ€™t weigh anything but simply measured it the old-fashioned way! All turned out great. Kudos on this recipe! We never knew we could have brownies and such on Keto! We are on day 8 on Keto and all is well!! YAY!
Thanks so much! ๐Ÿ˜˜

P.S. Iโ€™ve saved many more of your recipes and look forward to trying each one of them!

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Vote Up0Vote Down  Reply
1 year ago
Julia

Thanks for sharing your feedback! It’s very helpful. Best of luck on your keto journey ๐Ÿ™‚

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1 year ago
Judy B

I have a sweet tooth and I love brownies! I had found some good ones that were Paleo but not low carb and finally I find these! They are delicious! And if anything they are even better the second day. I often like just a little bit of something sweet and this does the trick. I will be making these often I am sure! Love them!

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1 year ago
zazzi

I just made these this morning and they are really good. I baked mine a little less because I like them a little gooey. This is the first browning Keto recipe that turned out great, others taste like seized chocolate. Thank you

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1 year ago
Sofia

Can the granular swerve sweetener be substituted by liquid stevia?

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1 year ago
Julia

I haven’t tried subbing with liquid stevia. Generally, I don’t recommend it because it significantly alters the ratio of dry to wet ingredients in the recipe.

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1 year ago
Evette

Can the vegetable oil be substituted with another kind of oil?

Vote Up0Vote Down  Reply
2 years ago
Julia

See above post under the section called “Common Ingredient Questions” where I talk about other oils you can use. Basically, you want something with neutral flavor and less than 10% saturated fat by weight.

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2 years ago
Donna Landon

Can you substitute Coconut flour for almond flour ? Iโ€™m highly allergic to any kind of almonds .

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2 years ago
Julia

I haven’t tested this with coconut flour, so I can’t say how it’ll turn out. Coconut flour is a lot more absorbent, so it wouldn’t be a 1:1 substitution.

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2 years ago
Tina

Hi what can be substantiated for the swerve sweetener?
Thanks. Tina

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2 years ago
Julia

For sweetener substitutions, see the post above where I talk about the sweeteners to use. Any kind of dry sweetener that measures the same as sugar will work, and you can use the amount listed in the recipe (6 ounces).

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2 years ago
Julia

Hi Alice! I describe in the post above about what kinds of vegetable oil you can use. I recommend any vegetable oil with a neutral flavor and less than 10% saturated fat by weight for ideal texture. I use canola oil, and in my description above I’ve included links to explanations as to why it’s a healthy and safe oil for anyone to use. The keto diet restricts carbs, and oil certainly doesn’t have any ๐Ÿ™‚

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2 years ago
Rowena

Thank you for sharing this recipe. I made it last night. My kids won’t stop eating it and I shared it with my “keto friends” in the hospital today and they were all satisfied and ask me to bake some more.

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2 years ago
Julia

You’re very welcome!! That’s awesome that your kids and keto friends loved it. Hope you get the chance to make some more soon!

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2 years ago
Pam

I have made this recipe at least 3X and it is even better than my old non-keto brownie recipe. I do use chopped pecans though and it is wonderful!

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2 years ago
Julia

Thank you for the lovely comment, Pam! I’m so glad to hear you like it more than your non-keto brownies. I’ll have to try using chopped pecans again sometime ๐Ÿ™‚

Vote Up0Vote Down  Reply
2 years ago

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