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Vegan Keto Mug Brownie for Two

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4.89 from 240 votes
Carine Claudepierre -

This low-carb mug brownie for two is a delicious and easy dessert recipe that requires no microwave! A healthy keto fudgy brownie with no egg. Easy, gooey gluten-free chocolate peanut butter treats for Valentine’s day.

Low carb mug brownies KETO + VEGAN

Low-carb mug brownie – keto + vegan (NO eggs!)

Valentine’s day is just around the corner, and as you know, I eat low-carb sugar-free, but my partner is vegan, which means he won’t eat eggs or dairy. That is how I came up with this easy keto recipe, a vegan keto mug brownie. 

Low carb mug brownies KETO + VEGAN

It’s a very easy recipe requesting only a few basic ingredients, but trust me, this is the fudgiest gooey low-carb brownie you will eat. All you need to make this delicious keto mug brownie for two is:

  • Almond meal or almond flour both work. For more on keto flours, read how to choose your keto flours!
  • Unsweetened cocoa powder.
  • Sugar-free crystal sweetener – I used Monk fruit golden crystal. You can also use pure Erythritol if you like or white Monk fruit crystal. All of them have no carbs, 100% sugar-free. To learn more about sweeteners, read my top 4 keto-friendly sweeteners.
  • Peanut butter – I am using natural peanut butter made of 100% peanuts, no added oil, no added salt or sugar. This is very crucial to keep the recipe sugar-free. If you don’t have peanut butter, but you do have peanuts, you can make your own butter in just a few minutes. Read my Homemade Peanut Butter recipe!
  • Unsweetened almond milk – or any dairy-free milk you like, unsweetened coconut milk is a great option as well.
  • Baking powder
  • Vanilla extract

Low carb mug brownies KETO + VEGAN

No microwave baking

I know, I called this recipe a ‘mug brownie,’ and now I’m telling you that you don’t need a microwave, confused?

This is a recipe that can be baked in the microwave. Usually, 90 seconds per mug is enough.

I don’t particularly appreciate baking my food in the microwave, so I recommend using 2 small oven-proof ramekins and bake both ramekins at the same time for 12 minutes at 180C (375F) in the oven.

To view this recipe from a different perspective, watch my web story: making the mug brownie for two!

Low carb mug brownies

Enjoy the lovely low-carb mug brownie, and have a lovely Valentine’s day!

Low carb mug brownie

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xoxo Carine

Recipe Card

Low carb mug brownie

Keto Mug Brownie

Low-carb mug brownie for two, no microwave needed! A healthy keto fudgy brownie with no egg. Easy, gooey gluten-free chocolate peanut butter treats for Valentine's day.
Prep Time: 5 mins
Cook Time: 12 mins
Total Time: 17 mins

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Net Carbs
Author: Carine Claudepierre
2 mug brownies
4.89 from 240 votes
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  • Preheat oven to 180°C (375°F). See microwave baking notes if needed.
  • Grease two ovenproof ramekins with coconut oil or vegetable oil of your choice Set aside. 
  • In a medium mixing bowl, combine almond meal, unsweetened cocoa powder, sugar-free crystal sweetener, baking powder. 
  • Add the peanut butter and vanilla extract - don't stir yet - set the bowl aside.
  • Warm the unsweetened almond milk under the stove for 30 seconds (or microwave 30 seconds) if preferred. You want the milk to be lukewarm, think bath temperature. Remove from heat and pour over the previous mixture.
  • Stir to combine. The warm almond milk will help to incorporate the peanut butter into the batter. 
  • Stir in sugar-free chocolate chips.
  • Split the batter evenly into 2 ovenproof or microwave-safe ramekins. 
  • Bake for 12-15 minutes or microwave each for 60-80 seconds until cooked but still soft and gooey in the center.
  • Cool down 10 minutes, serve lukewarm with a dollop of unsweetened dairy-free coconut yogurt or heavy whipped coconut cream. You can also serve this recipe at room temperature if preferred and bake this the day before. 
  • Serve in the ramekin for a beautiful presentation.
Microwave option: if you like cooking with your microwave you can simply cook this mug brownie, one at a time, for 90 seconds in your microwave. Note that this won't store very well, you will have to serve the brownie straight away, simply cool down 2-3 minutes to avoid burning yourself but don't bake in your microwave hours before serving. 
Peanut butter swap: you can replace peanut butter with sunflower seed butter, tahini, or almond butter
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Nutrition Facts
Keto Mug Brownie
Amount Per Serving (1 mug brownie)
Calories 189 Calories from Fat 145
% Daily Value*
Fat 16.1g25%
Saturated Fat 2.6g16%
Sodium 115.1mg5%
Potassium 180mg5%
Carbohydrates 9.1g3%
Fiber 4.2g18%
Sugar 2.1g2%
Protein 8.1g16%
Calcium 80.2mg8%
Iron 1.5mg8%
Net Carbs 4.9g
* Percent Daily Values are based on a 2000 calorie diet.


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  1. 5 stars
    We love this recipe! My 4yo is keto and allergic to egg, so your website has been heaven sent!
    Could I swap the almond milk for either whipping cream or coconut cream? I don’t use enough almond milk to buy a carton.. but I’m always using the two creams.

    • I am so happy my recipes helps your little one enjoy great food ! You can always swap almond milk by any milk, carton coconut milk has a similar texture, the canned one is very thick and will make baked goods rich but still nice. I hope it helps, XOXO Carine

  2. 5 stars
    In my microwave, this required a minute and 45 seconds. I’m also going to add a smidgen of sucralose next time around. Overall good, going to tweak a bit.

    • It depends of you microwave power. My recipes are tested with a 850W microwave. If yours run at 600W you may need to increase baking time indeed. So glad you love this recipe 🙂 Enjoy, XOXO Carine

  3. 5 stars
    Made in the microwave as per instructions and worked fine. Didn’t have sweetener so used honey instead. Very rich and a little bitter, but personally really enjoyed it. Would make again, maybe with a scoop of ice-cream on top to balance it.

    • Thank you so much for the lovely review! I agree, a scoop of sugar-free vanilla ice cream will taste amazing here. XOXO Carine

  4. 5 stars
    One of my Favorite Brownie recipes, I use SF non-dairy coffee cream instead of milk, chopped walnuts and or pecans.FIVE star recipe 🙂 !! Thank you for posting, “sharing is caring” !!

    • Yeah! I am SO glad you enjoyed this little brownie and I hope you will try more of my low carb vegan recipes on the blog. XOXO Carine.

  5. 5 stars
    Thank you Carine. This is the absolute best brownie/pudding ever. My husband is always asking me when I’m going to make it again and again and again ????

    • Yeah ! That is a lovely comment, I love when our husband get addict to my low carb recipes. Thanks for sharing my recipe with him. XOXO Carine.

    • All recipe must be baked in the center/middle level of your oven except if the recipe instruct you something different. It is at the middle level that the temperature is evenly distributed. Enjoy the brownies. XOXO Carine.

    • Hi, yes sure, I just uploaded the nutrition panel after the recipe box. It is for the whole recipe – serve one mug cake. It is calculated with sugar free chocolate chips sweetened with stevia and unsweetened almond milk. Enjoy ! xoxo Carine.

  6. I just made this, but I don’t eat nut butters so I swapped it for melted butter, and I used 1 sachet of stevia and 1 tablespoon coconut sugar. It was gorgeous! Thanks for the inspiration!

    • Hi Jill ! Such a great alternative to nut butter! I will definitely give it a try. I love mug cakes so easy to fix an afternoon sweet craving 😀 Thanks for following the blog. I hope you found more recipes you like here. See you around! xoxo, Carine.


The recipes, instructions, and articles on this website should not be taken or used as medical advice. You must consult with your doctor before starting on a keto or low-carb diet. The nutritional data provided on Sweetashoney is to be used as indicative only. The nutrition data is calculated using WP Recipe Maker. Net Carbs is calculated by removing the fiber and some sugar alcohols from the total Carbohydrates. As an example, a recipe with 10 grams of Carbs per 100 grams that contains 3 grams of erythritol and 5 grams of fiber will have a net carbs content of 2 grams. Some sugar alcohols are excluded because they are not metabolized. You should always calculate the nutritional data yourself instead of relying on Sweetashoney's data. Sweetashoney and its recipes and articles are not intended to cure, prevent, diagnose, or treat any disease. Sweetashoney cannot be liable for adverse reactions or any other outcome resulting from the use of recipes or advice found on the Website.

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