Keto Mug Brownie - All In One Bowl | KetoVale
One Bowl Brownies

Keto Mug Brownie – All In One Bowl

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This easy keto mug brownie is a super satisfying way to end the day without ruining your carb count. If you love dessert, this sugar-free Keto One Bowl Brownies recipe is definitely on the to-try list.

I used unsweetened chocolate chips and coconut flour for this recipe. You can replace it with cocoa powder and almond flour if you want to. You might want to play around with the flour amount until a desired consistency is achieved.

keto brownie in a mug

You can substitute walnuts for any low carb nuts of your choice such as hazelnuts, macadamias, or almonds.

After mixing all the ingredients together to create a batter, you can pour it into 1 big baking dish, or 2 medium bowls or 8 small muffin cups, depending on how you like your serving size to be. The baking time might vary depending on the size of your brownies. Make sure to check often when baking to avoid burning.

How to Make Low Carb Brownie In A Mug

Prepare the Chocolate and Butter: If using a chocolate bar, break it into small pieces. Place the chocolate and 12 tablespoons of butter in a microwave-safe bowl. If using chocolate chips, just add them to the bowl.

Cut chocolate into small pieces

Melt Chocolate and Butter: Microwave the bowl for 20 seconds. Take it out and stir well with a spoon. Repeat this process until you get a smooth, evenly mixed chocolate and butter mixture.

Mix chocolate with butter

Mix the Ingredients: In a separate bowl, crack 3 eggs. Add these to the melted chocolate and butter. Stir in 1/2 teaspoon of vanilla extract and 66.67 grams of Erythritol (or your preferred sweetener). Then, gently mix in 30 grams of coconut flour and 1/2 teaspoon of baking powder. Be careful with the amount of baking powder to avoid the brownie rising too much.

Making Brownie Batter

Add Walnuts: Chop 1/4 cup of walnuts (or any nuts you like) and add them to the mixture.

Prepare for Baking: Lightly grease a baking pan or an oven-safe bowl with some melted butter. Pour the brownie mixture into it.

Bake the Brownie: Preheat your oven to 350°F (175°C). Bake the brownie for about 25 minutes.

Baking Keto Brownie

Cool and Unmold: After baking, let the brownie cool in the pan or bowl for 20 minutes. To remove it, run a knife gently around the edges to loosen it.

Low Carb One Bowl Brownies

Serve: Garnish the brownie with some sliced nuts on top and enjoy!

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Keto One Bowl Brownies


One Bowl Brownies
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4.62 from 13 votes

Keto Brownie in a Mug

A low-carb and sugar-free chocolate brownie in a bowl with walnuts.
Course Dessert
Cuisine Ketogenic, Low Carb
Keyword keto brownies, one bowl brownies
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings 8
Calories 254kcal
Author Tanya K.



  • If you are using a chocolate bar, break it into small bits and combine the chocolate with the butter in a heat-safe bowl. If you bought chocolate chips, simply toss them in the bowl.
  • Leave the bowl in the microwave for 20 seconds just enough to melt them both. Take out from the microwave and fold continuously with a spoon. Repeat for several times until a uniform, smooth mixture is produced.
  • Crack the eggs in a separate bowl and mix this with the melted chocolate and butter. Add the vanilla and sweetener for a more flavorful taste. Mix in with the coconut flour and baking powder. Take note of the precise amount of baking powder that should be added so the brownies will not rise too much.
  • Throw in the chopped walnuts or any other nuts you prefer.
  • Brush a baking pan with melted butter and pour the mixture in. Optionally, use an oven-safe bowl or mug if there are no baking pans available. Preheat your oven to 350°F before baking the batter for around 25 minutes.
  • Let the brownies sit for a while after taking them out of the oven. Leave for 20 minutes to cool. To unmold, insert a knife at the edge of your container and run it around carefully to scrape out the brownie.
  • Top with some sliced nuts and serve.


Nutrition Facts
Keto Brownie in a Mug
Amount Per Serving
Calories 254 Calories from Fat 234
% Daily Value*
Fat 26g40%
Saturated Fat 15g75%
Cholesterol 107mg36%
Sodium 190mg8%
Potassium 145mg4%
Carbohydrates 6g2%
Fiber 3g12%
Sugar 1g1%
Protein 4g8%
Vitamin A 621IU12%
Calcium 39mg4%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.
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