Ultra fudgy flourless brownie in a mug that’s cooked in just 1 minute! It’s a paleo and grain free easy microwave brownie recipe that tastes so decadent.
Question: does it defeat the purpose of a microwaved mug dessert if you make it twice a day, everyday? ASKING FOR A FRIEND. They are just too easy to make, so fun to eat out of a mug, and you can’t beat how dangerously quick they are to make. I made this flourless mug brownie several times already this week because it’s that good!
Flourless Brownie in a Mug Recipe
I almost called this microwave mug brownie recipe “paleo chocolate mug cake” or “flourless chocolate mug cake.” However, the texture turned out fudgier and slightly denser than cake. After tasting it multiple times (I couldn’t stop), I realized that that it was definitely a brownie and a very good one! It’s just so amazing and the single serving size is so perfect for IMMEDIATELY fulfilling your chocolate cravings.
How to Make Paleo Mug Brownie
The instructions for this microwave mug brownie recipe is so simple and easy:
- Combine all ingredients and whisk together until smooth.
- Grease the inside of your favorite mug, and pour the batter in.
- Microwave for 60-90 seconds.
- Cool for 5 minutes before digging in! You can top with your favorite toppings if you’d like.
The microwaving time depends on how wide your mug is and the power of your microwave. This flourless mug brownie is ready when the center is still slightly jiggly and that’s what make it so fudgy. I would check after 60 seconds in the microwave, then add more time if it needs to be cooked more.
Ways to Enjoy This Easy Microwave Brownie Recipe
This easy microwave brownie recipe will yield 1 large serving, but you can definitely stretch it to 2 servings because it’s rich and so satisfying. This is especially true if you are serving it with optional add-ons to stretch it even further. Here are some ideas on ways to enjoy this paleo mug brownie:
- with vanilla ice cream
- with whipped cream or whipped coconut cream
- topped with chocolate chips (I love these dairy free ones) or shaved chocolate flakes
- sprinkled with powdered sugar
- topped with fruits like berries
- drizzled with chocolate syrup or caramel sauce
- drizzled with nut butter
- topped with chopped nuts
Whether you want to call this a flourless mug brownie or flourless chocolate mug cake, it’s so tasty and wonderful. There’s honestly nothing like digging your spoon into a warm and fudgy chocolatey goodness!
If you enjoyed this flourless mug brownie recipe, you might also love…
- Paleo Carrot Mug Cake
- White Chocolate Glaze Paleo Brownies
- Paleo Red Velvet Brownies with Coconut Cream Frosting
- Vegan & Paleo Mexican Hot Chocolate Ice Cream (No-Churn Method Included)
- Paleo Chocolate Cake with Chocolate Ganache
Flourless Brownie in a Mug (Paleo, Grain Free)
Ingredients
- 1 egg
- 3 tbsp cocoa powder or cacao powder
- 3 tbsp maple syrup
- 1 tbsp coconut oil melted, plus more for greasing
- 1/2 tsp vanilla extract
- pinch of sea salt
Instructions
- Add all ingredients to a bowl and whisk together until smooth and just combined.
- Grease the inside of a standard 12oz or 16oz mug.
- Pour the batter into the mug.
- Microwave for 60-90 seconds. Check after 60 seconds. The center of the brownie should be slightly jiggly.
- Cool for 5 minutes then dig in with a spoon! Feel free to add optional toppings like ice cream, whipped cream, chocolate chips, chopped nuts, berries, and more.
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Just made this 30 minutes ago….so good! Do you think I can add some flax and brewer’s yeast to help with lactation?
It might dry it out a bit but I think it’ll still work!
Looks so good! Is there any way to make this without eggs? Would a flax egg work as a substitute?
No, it won’t work. You need the egg to help it rise. A flax egg doesn’t allow it to do that.
We don’t have a microwave. How should I cook this in the oven??? 🙂
You can try baking for 20 minutes in a 375 degree oven.
Is there a way to lower carb count?
You can try using a keto sweetener like Lakanto syrup
It’s delicious! Thanks so much for this recipe!
-can I omit the egg yolk and use only egg white?
– can honey be used instead of syrup? Or a raspberry fruit sweetened jam?
Thank you!
I’ve never tried with just egg whites but I’m not sure if it’ll rise the same. And yes, you can definitely use honey or other liquid sweeteners!
This was fantastic!! Thanks for a great recipe!
This has been my quick, fave go-to dessert recipe when I’m craving some chocolate! I love the flavor and texture SO much! YUM!
Yay!! Same, it’s the perfect thing to make when you have a sweet tooth. So glad you enjoyed it!!
This was wonderful. Thank you for the recipe. I used a few frozen raspberries on top. It was just the thing.
So glad you enjoyed!!
Can I use brown sugar instead of maple syrup?
I recommend using another liquid sweetener. The end result may turn out dry.
is there a substitute for coconut oil??
Ghee or butter will work!
I’ve made this dozens of times, what a great recipe!
I prefer less sweet desserts, so I use 1 tbs. maple syrup. I find that using a smaller egg and leaving the cake in the microwave to rest for a few minutes after cooking result in a very fluffy texture as opposed to a slightly spongier one that comes with very large eggs and no resting time. I always put a good scoop of coconut milk mint chip ice cream on top to make it a party.
Thanks for developing and sharing this recipe, it’s a real treasure.
Thank you so much!! I HAVE to try with mint chip ice creamy like you said. Sounds DIVINE.
Best brownie in a mug I’ve ever made. This ones’ a keeper. Thank you so much!
I have been eating (and LOVING) this recipe for the past two years now, so it’s about time I show some love! This has been the most perfect sweet “fix” that doesn’t make me feel like I’ve gone overboard with the splurging. It’s so delicious. I usually do 1 TBS for date syrup instead of the maple syrup, and it turns out great. I also add 1 TBS of whatever nut butter I have, and so cocoa nibs on top. YUM! Thank you for this recipe!
Thank you SO much!!
Can I sub the coconut oil for a nut butter?
I wouldn’t. You can try butter, ghee, or another oil though!
This is the best mug cake recipe! Sometimes I add some chocolate chips, but I always do a dollop of peanut butter!
Thanks so much for the recipe!
Sounds wonderful! Thank you so much.
This was quick and easy and hit the spot perfectly! The texture was perfect and surprising given the ingredients. What a great way to help a chocolate craving. I used 2 tablespoons of maple syrup instead of 3, wasn’t very sweet but it was super rich and absolutely divine! I dropped some walnuts on top while it was cooling. Yum!
Second time I give a mug brownie a try and this recipe worked out much better than last one which was from another site (it turned out more gooey, like fudge instead of a brownie). I think I used too much oil this time though, didn’t have coconut oil and used olive instead and even after microwaving the olive oil taste was too strong. However it wasn’t completely a failure since at least it looked like a brownie and it was very fluffy, I also added some blueberries to the batter, and when it was all done I drizzled with some chocolate sauce which made it taste much better. I’ll probably use this recipe again in the future, but with actual coconut oil next time and hopefully I’ll be more successful 🙂
This is such an amazing recipe. It SAVED my hubby and I last night when we were craving chocolate but didnt have chocolate chips to make my typical molten lava cakes. I personally don’t use microwaves but it was a DAY so we broke our rule. Would love to understand if anyone else tried to bake this in the oven, its going to turn into a go to for us!
That’s amazing! I love that. I think you can try to bake it in the oven at 350 for 15-20 minutes. Thanks so much for leaving a review!
This was yummy, and easy to make. Thank you, Jean! And I was surprised how it came out so well, without any flour! I subbed avocado oil, and mixed everything in a tall mug, to save on time and dishes. =) I also added a few butterscotch chips on top, before cooking. Yum yum!
Oooo butterscotch chips sound AMAZING. Thanks so much for trying my recipe, Lex!