The Best Ever Healthy Chocolate Fudge Mug Brownie

My Skinny Mug Brownie for One recipe has always been one of my favourite single-serving desserts. It’s rich, it’s chocolatey and it’s low-calorie. What else could anyone want from a dessert?! It’s got loads of comments raving about how awesome it is, but it’s also got 1 or 2 comments complaining that the portion is too small. So I headed straight back to the kitchen and whipped up a new recipe for a healthy mug brownie that’s just as good for you, but it double in size!

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Pinterest image for healthy mug brownie

When trying to make the perfect healthy mug brownie, I lost count of how many recipes I’ve tried. Seriously, it feels like I’ve tried every single one out there! And you know what my final conclusion was? Mine is the best.

I don’t want to brag or seem big headed, but it’s true. My healthy mug brownies are super-fudgy (thanks, yoghurt!), they’ve got a great chocolate taste (all down to you, cocoa powder) and they’re low in calories (yay for zero-calorie sweeteners!) But I’m all for trying new stuff. So if you think you’ve got a recipe for a better healthy mug brownie, leave it in the comments below. I’d love to give it a shot!

healthy mug brownie on a pink napkin

Since I was rocking my original healthy mug brownie recipe so much, instead of reinventing the wheel (don’t think I’ve ever used that phrase before!) I decided to tweak the original recipe to make it better than ever. I doubled the portion size (that’s right, doubled!!) which should please anyone who thought the original mug brownie recipe was teeny tiny. And instead of doubling the calorie count, I actually managed to lower it!

This healthy mug brownie comes in at just over 100 calories for each giant serving. Amazing, right?! That’s because it contains no butter, no oil, no egg, no chocolate and no sugar. You’d think that would all equate to no taste, but it so doesn’t! I swear – don’t bother wasting your time with any other healthy mug brownie recipes out there. This is the only one you’ll ever need!

healthy mug brownie with melted chocolate

When I was testing out different versions of this recipe, I topped one of my mug brownies with a dollop of Greek yoghurt and a sprinkling of cacao nibs. I was kind of going through a super-healthy raw phase – it was roughly the same time I published these raw vegan brownie bites.

I bought them for the first time ever when I was in London at Easter and boy are they pricey! Know what else they are? Disgusting. I love eating nutrient-packed foods and thought I could switch out the regular chocolate I have in my morning oatmeal for cacao nibs, but that’s not just happening. They’re so bitter, crunchy and just ick. Please, if you’re a cacao nib-lover, please tell me what you do with them to make them edible!

Overhead shot of healthy mug brownie

5 from 4 votes
healthy mug brownie in a white ramekin
Healthy Mug Brownie
Prep Time
1 min
Cook Time
1 min
Total Time
2 mins

A super-simple healthy mug brownie that only takes 45 seconds to cook! It's super fudgy and oh-so gooey in the middle. Yum!

Course: Dessert
Cuisine: American
Servings: 1 mug brownie
Calories: 105 kcal
  • 2 tablespoons all-purpose flour
  • 2 tablespoons unsweetened cocoa powder
  • 2 tablespoons truvia natural sweetener (zero calories)
  • 1/4 teaspoon baking soda
  • 1/4 cup fat-free sugar-free yogurt
  1. Stir all the ingredients together in a single-serving mug or ramekin until totally combined. Make sure there are no dry pockets left!

  2. Place in the microwave and cook on full power for around 45 seconds, until the outside of the brownie is springy to the touch, but the centre is still a little wet. Enjoy straight away while warm.

  3. Optional: top with extra chocolate chips if you're feeling naughty!

The Best Ever Healthy Mug Brownie Recipe | This healthy mug brownie is just 100 calories and is so easy to make! It's got a super-yummy fudgy texture and contains no eggs or sugar. #Healthy #Recipe #Dessert #Brownie #SugarFree #CleanEating #HealthyRecipe #HealthyDessert #HealthyBrownie #HealthyMugBrownie #MugBrownie #HealthyDessertRecipe #HealthyBrownieRecipe #Chocolate #HealthyChocolateRecipe


    • If you’re going to use a different sweetener, I’d definitely recommend a solid over a liquid. So ‘yes’ to sugar and ‘no’ to honey.
      I’ve made this exact recipe with sugar before and it works out perfectly – albeit higher in calories!

  1. Would it be okay to top the brownie with ice cream instead? If yes, what flavor of ice cream do you recommend?

  2. I will definitely try this one, but omiting the Truvia… is not a good sugar substitute. I use Stevia, and, even tho Truvia has stevia in it, it is a bad substitute. You really have to check out the ingredients and processing procedures of the new sugar subs.

    • Hi Elizabeth!
      I totally agree with you and did think of using Stevia alone, but found that most people didn’t like the taste. I don’t recommend you leave out sweetener entirely. If you don’t want to use Truvia (and I’m guessing you don’t want to use sugar either!) I suggest using 1 tablespoon of honey or maple syrup or Stevia to taste.

      • It sseems that if the taste is not good, it is too much stevia. A combination should do the trick.

  3. I made it with sugar but used a little less, like 1.25 tbsp and it was really good. Surprisingly filling as it makes a decent sized “cake”. Love how quick and easy it is.

  4. This version looks anything but small! IT looks so chocolatey and delicious! I love the way cocoa powder makes chocolate desserts super chocolatey!

    • Hey Lisa! You don’t have to spray the ramkein if you want to keep things super quick and simple. But if you want to get at every last bit of brownie, I guess you should. I’ll add it into the recipe card asap! Thanks 🙂

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