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Microwave Brownie Recipe - Make chewy chocolate brownies in under 10 minutes!

Full Batch Microwave Brownies

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Make a batch of perfect brownies in ten minutes flat! With a crackled top and fudgy center, you will not believe you made this brownie recipe in the microwave.


Hi Bold Bakers!

Let’s talk about brownies! My favorite brownie recipes are the ones that meet right at the intersection of easy-to-make and chocolate paradise. This full batch microwave brownie recipe is super easy, irresistibly decadent and incredibly fast – all because it’s cooked in a microwave. Like my 5 Minute Microwave Cheesecake and my 3 Layer Microwave Carrot Cake, I’ve had amazing results with this creation. This brownie recipe is the latest addition to my micro-baked collection. Welcome to the pearly gates of chocolate brownie heaven!

Can You Make Brownies in the Microwave?

If you’re wondering how this is even possible, you’ll be amazed how sensible microwave baking is. Microwaves work by heating up the water in whatever you’re cooking in the microwave. This means that our baked goods are being steamed from within, as opposed to being baked from the outside-in with dry heat from an oven. Due to steaming, the finished full batch microwave brownies come out incredibly moist, chewy and fudgy. The best part of this recipe (besides the taste of course) is how quickly “micro-baking” takes. You’ll want to use a silicone mold like I did or any microwave safe baking dish. My fudgy brownies are made in less than 10 minutes, making them my go-to dessert for every occasion.

How Do you Make a Chocolate Brownie?

While these homemade brownies might be baked in an unconventional way, their texture and taste are absolutely classic. This recipe starts by melting together water, sugar and chopped chocolate. This molten mixture is straight out of a chocoholic’s dream. Combine the sugar and chocolate mixture with a generous heap of cocoa powder and several chocolate chips to make your brownies’ chocolate base. The rest of this recipe is really just a matter of adding the wet ingredients into the dry. These brownies are super chewy and rich thanks to the addition of eggs and oil. My personal favorite thing about these microwaved brownies is that they’re super thick, make for a fudgy center and crackled top.

Can You Substitute Eggs?

If you don’t eat eggs but you’re dying to try this micro-baking technique, don’t worry – I’ve got you covered! Simply substitute the four eggs in this recipe with four flax eggs. To make a flax egg, combine four tablespoons of ground flax with 1/3 cup of water, then allow to sit for 15 minutes.  Afterward, this mixture will “bloom” into a perfectly gelatinous egg substitute that will bind together your brownie mixture. While on the subject of substitutes, you might be wondering if you can switch out the vegetable oil for butter. The answer is yes. They’re interchangeable in this recipe.

For more killer brownie recipes see my:

You can also learn how to make brownies in a mug with my simple, single-serving Microwave Mug Brownie recipe.

4.39 from 26 votes
Microwave Brownies
Prep Time
25 mins
Cook Time
6 mins
Total Time
31 mins
 
Servings: 9
Author: Gemma Stafford
Ingredients
  • 2 1/2 cups (20oz/565g) sugar
  • 1/2 cup (4floz/115ml) water
  • 2/3 cup (4oz/115g) chocolate 70% or so, roughly chopped
  • 1 1/2 cups (71/2oz/213g) all-purpose flour
  • 2/3 cup ( 22/3oz/76g) unsweetened cocoa powder
  • 1 cup (6oz/170g) chocolate chips
  • 1/2 teaspoon baking powder
  • 1 teaspoon salt
  • 4 eggs*
  • 1 cup (8floz/225ml) flavorless oil
  • 2 teaspoons vanilla extract
Instructions
  1. Butter and line a 9x9 Silicone mold or glass baking dish, set aside.
  2. In a small saucepan over medium heat, combine the sugar, water and chocolate. Gently stir until chocolate is melted and a smooth sauce like texture is reached (about 3-5 min). Set aside to cool.(This step can also be done in the microwave)
  3. In a large bowl sift together the flour, cocoa powder, baking powder and salt. Mix until combined.
  4. Into the cooled chocolate mixture add the oil, eggs, and vanilla.
  5. Add the wet ingredients into the dry ingredients and mix until just combined, do not over mix. Lastly, fold in the chocolate chips.
  6. Transfer the batter to your prepared microwave safe pan, smooth the top with a spatula and top with additional chocolate chips.
  7. Microwave* until the top and sides of the brownies are just set, about 8-9 minutes, checking them at the 6-minute mark. (This cook time is based on my microwave which is 1200 Watts so check the wattage of your microwave because your time may vary).
  8. Remove from the microwave and allow to cool fully in the mold before turning out.
  9. Once cooled, turn out onto a flat surface and cut into 9-12 even squares. Enjoy!
  10. Cover and store at room temperature for up to 4 days.
Recipe Notes

* Substitute eggs by using 4 flax eggs = 4 tablespoons of flax with 1/3 cup water.
* Also, you can bake these brownies in a conventional oven at 350ºF/180ºC for roughly 30-40 minutes

 

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Meet Gemma

Hi Bold Bakers! I’m Gemma Stafford, a professional chef originally from Ireland, and I’m passionate about sharing my years of experience to show you how to make game-changing baking recipes with over-the-top results! Join more than 1 Million other Bold Bakers in the community for new video recipes every week!

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119 Comments

Write a Comment and Review

  1. gingerbreadjeanne on January 10, 2019 at 5:42 pm

    The most chocolatey brownies ever! Moist, delicious- I used bittersweet bakers chocolate and substituted the flax for eggs and I am delighted with this recipe! Baked it in my toaster oven instead of the microwave- micro utensils were busy. 32 minutes and they were perfect. Thanks so much for another winner!

    • Gemma Stafford on January 11, 2019 at 10:04 am

      WOW, i am delighted to hear you enjoyed these. i’ll have to try them with a flax egg too! Enjoy!

  2. Kristina P. on January 10, 2019 at 4:02 pm

    Well I tried making these again Gemma, last time I used the bar chocolate, this time I used the chips and decreased the sugar by 1/2 cup. Also, I didn’t add any extra chips in after mixing everything together. My center last time was just not cooked through. So now they are cooling on the granite counter and the center looks cooked through. Fingers crossed!! The batter tasted good!

    • Gemma Stafford on January 11, 2019 at 10:11 am

      YAY, great job, as everyone’s microwave can be different this one can be tricky. Let me know how they turn out!

  3. zainab on January 10, 2019 at 8:14 am

    Hey gemma ,i tried your brownies recipe and my family loved it ,it taste amazing and for the first time i made my brownies soft 😊

    • Gemma Stafford on January 11, 2019 at 12:13 pm

      I am delighted to hear that, next time send us a photo!

  4. Kristine on December 31, 2018 at 1:54 am

    Mine failed haha turnt out to ba a cupcake texture not brownies. Im kinda sad hahaha

    • Gemma Stafford on January 2, 2019 at 12:15 pm

      Hmmm, that’s so strange as these usually come out perfect every time did you do anything different from the recipe?

  5. Anne Takahashi Bartolome on December 11, 2018 at 2:01 am

    Hello gemma!!my microwave is 700 watts only? Can i used it.. i lab your baking. I always watch it..

    • Gemma Stafford on December 11, 2018 at 4:57 pm

      Yes that will work and i am delighted to hear that, thank so much! Enjoy!

  6. Diane maliwat on December 4, 2018 at 12:54 am

    Hi gemma! Can i combine this brownie with your microwave cheesecake rwcipe. Im planning to make it chocobrownie cheesecake. Thanks!

    • Gemma Stafford on December 4, 2018 at 3:12 am

      Hi Diane,
      Wow! haha, I do not know the answer to this! I would need to try it to be sure.
      If you try it you can let us know how it works, I will not get to this before Christmas now.
      Thank you for being in touch,
      Gemma 🙂

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