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Keto mug brownie with coconut flour

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An easy keto mug brownie recipe for a quick sweet craving fix with only 6g of net carbs. Plus, the recipe is egg-free and nut-free and uses coconut flour!


Who is craving keto brownie but can’t wait? I’m sure you do too! This keto mug brownie is the answer. Ready in 2 minutes and using only a few basic pantry ingredients that all keto eaters have! Plus, this is a vegan keto brownie recipe too! 100% egg-free, gluten-free and super fudgy!

Keto brownie in a mug

How to make keto mug brownie?

A mug brownie is a fudgy brownie baked in your microwave. If you don’t have a microwave you can always bake this recipe at 180C (370F) for 10-15 minutes in an oven-safe ramekin. The ingredients you need to make this keto mug brownie are the basics keto ingredients listed below:

  • Coconut flour – yes, you need a tiny bit of coconut flour, 2 teaspoons (not tablespoons!) It is a very high-fiber flour and this amount is enough to create a fudgy brownie batter.
  • Unsweetened cocoa powder
  • Erythritol – or a sugar-free sweetener of your choice, use our sweetener converter to chose.
  • Melted coconut oil
  • Unsweetened coconut milk or almond milk

How to make low carb mug brownie?

How to serve this keto brownie in a mug?

A mug brownie is piping hot after 60 seconds baking in the microwave. That’s why it’s very important to first let it cool down for 1 or 2 minutes, in the mug. This cooling time will also enhance the fudgy texture of the brownie and create the particular brownie ‘crust’ that we all love in a brownie. You should then eat the brownie in the mug, don’t transfer onto a plate or it would be very messy. Then you can add some toppings. The best keto brownie toppings to serve with this mug brownie are:

  • Unsweetened whipped cream – you can use coconut cream if dairy-free or vegan.
  • Sugar-free chocolate chips – add few more sugar-free chocolate chips on the hot brownie, they will melt and add a touch of sweetness!
  • Sugar-free vanilla ice cream – a scoop of keto ice cream will be delicious on top of this.

keto brownie in a mug

More keto mug cake recipes

If you love a quick keto snack, mug cakes are the best! I have a range of other delicious keto microwave recipes for you to try.

I would love to see a picture of your mug brownie so don’t forget to share it with me on Instagram! 

XOXO Carine


Recipe Card


Keto mug brownie

A healthy keto mug brownie with coconut flour, dairy free and vegan
Prep Time: 3 mins
Cook Time: 1 min
Total Time: 4 mins
Author: Carine
1 mug brownie


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  • In a small bowl or directly in your mug add all the ingredients except the chocolate chips - if used. 
  • Combine with a fork or a small whisk until the batter is consistent and shiny.
  • Sprinkle extra chocolate chips on top if you like. I used stevia-sweetened dark chocolate chips.
  • Microwave on high 900W, for 60 seconds for a fudgy brownie or 70-80 seconds for a less fudgy texture.
  • Cool down for 1 minute before eating. This will allow the brownie to cool down a bit and the texture to be perfectly fudgy.
  • Serve with few extra sugar-free chocolate chips or unsweetened whipped cream.
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Nutrition Facts
Keto mug brownie
Amount Per Serving (1 mug brownie)
Calories 221 Calories from Fat 181
% Daily Value*
Fat 20.1g31%
Saturated Fat 2.8g18%
Carbohydrates 13.5g5%
Fiber 7.2g30%
Sugar 0.3g0%
Protein 5.1g10%
Net Carbs 6.3g
* Percent Daily Values are based on a 2000 calorie diet.

Easy keto mug brownie

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