One-Minute Microwave Brownie

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One-Minute Microwave Brownie — 🍫 When chocolate cravings strike, make this EASY brownie recipe in one bowl, without a mixer, and it’s ready in ONE MINUTE!! Rich, FUDGY, decadent, and accidentally vegan!! (no dairy, no butter, no eggs!)

Microwave Brownie in bowl with scoop of ice cream and two spoons

I was tempted to call this recipe “One-Minute Microwave Brownie For One,” but if you have some restraint and self-control you can split it with someone and it becomes For Two

I make this mug brownie for my daughter and I when a craving for chocolate in the baked and gooey form comes over us and handfuls of chocolate chips or nibbles of chocolate bars from the pantry just won’t do.

There’s something about warm, molten chocolate that is just so satisfying, and when you need your chocolate fix in this fashion and have no patience to wait, this microwave brownie is the recipe to make. 

It’s extremely easy, made in one small bowl without a mixer, and your brownie is ready in one minute, give or take, depending on your microwave’s strength.

I just saw this recipe, had all of the stuff, so I made it. OMG – it is so good!!! And used Cool whip as I didn’t have any ice cream. Will use that next time. Thank you for those of us who are choco-holics – this is just what is called for when you have a chocolate attack.

Kathi
microwave mug brownie topped with scoop of ice cream

This microwave chocolate brownie in a mug is egg-free. That’s great for those of us who like our brownies more along the lines of raw and gooey rather than well cooked.

There’s no baking powder or baking soda in this easy mug brownie recipe, which is great for a few reasons. The texture stays denser and more brownie-like rather than cakey. 

And if you’ve ever ‘baked’ anything in the microwave, you know that things have a tendency to rise and overflow with no warning. That’s less likely to happen with this recipe sans baking powder or soda.

The texture isn’t as densely chewy as typical baked brownies, but ‘beggars can’t be choosers’ is what comes to mind with this recipe. It’s a mug brownie ready in one minute, it’s warm, decadent, and studded with chocolate chips throughout. Enough said.

chocolate brownie in a mug with ice cream and two spoons

Ingredients for a Microwave Brownie

For this supremely easy single serve brownie recipe, you’ll need:

  • Granulated sugar
  • Cocoa powder
  • Water
  • Vegetable oil
  • Light brown sugar
  • Vanilla extract
  • Salt 
  • All-purpose flour
  • Chocolate chips

Note: Scroll down to the recipe card section of the post for the ingredients with amounts included and for more complete directions.

One-Minute Microwave Brownie - When chocolate cravings strike, make this EASY brownie recipe in one bowl, without a mixer, and it's ready in ONE MINUTE!! Rich, FUDGY, decadent, and accidentally vegan!! (no dairy, no butter, no eggs!)

How to Make a Brownie in a Mug

  1. To make a gooey brownie in a mug, simply add all the mug brownie ingredients into a large mug or bowl and stir to combine, making sure not to overmix (otherwise you’ll activate the gluten in the flour and your brownie may become tough).
  2. Microwave the brownie for about 1 minute, or until it’s as set in the center as you’d like. 
  3. Wait a few seconds before diving in, as the brownie in a cup will be piping hot when you first take it out. 
  4. I like to top my microwave mug brownie with a scoop of ice cream or a dollop of whipped cream, but that’s optional. 

I know this post is almost 3 years old but I just have to comment and tell you that I have lost count of how many times I’ve made this. It’s gotten me through 2 pregnancies 😂 it’s delicious, easy, I always have the ingredients on hand and it never disappoints. There’s a lot of microwave brownie/cake posts on the internet but when I finally discovered this one, there was no looking back.

Maggie

Recipe FAQs

Can I Make This With Gluten-Free Flour? 

I haven’t tried making this microwave brownie recipe with gluten-free flour, but I’ve had readers say it worked out for them! You may need to play around with this recipe a bit to figure out what works for you. Please leave me a comment if you find a way to make this gluten-free that you like! 

Can I Omit the Chocolate Chips? 

Yes, but they add extra flavor and make the brownie super gooey! You can also try using peanut butter or butterscotch chips, just saying. 

Can I Add Other Mix-Ins?

Sure, why not! Pretty much any baking chip will work, as would chopped nuts or dried fruit. You can add up to 1/3 cup of your favorite mix-ins.

How Long Should I Cook a Microwave Brownie?

All microwaves, bowls, ingredients, and preferences for doneness vary, so you will need to experiment with how long it takes to cook given your variables. I recommend stopping to check at the 45-second mark and going from there in 15-second bursts as necessary.

What Size Mug Should I Use?

This single serve brownie recipe can be made in either a large coffee mug or a bowl. Make sure to choose something that’s large enough as you don’t want the brownie to overflow as it cooks. Also, it goes without saying that you should use a microwave-safe mug or bowl for this recipe.

Can this recipe be made in advance?

No. Since this is a microwave dessert, I recommend enjoying the brownie right away. It doesn’t keep as well at room temperature like regular brownies do.

Recipe Video Tutorial

This was the greatest recipe I’ve tried so far with microwaved brownies! Every recipe I’ve tried always came out WAY too fudgy. This one had a perfect balance. Thank you so much for the recipe!

Deela Sharp

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4.51 from 399 votes

One-Minute Microwave Brownie

By Averie Sunshine
When chocolate cravings strike, make this EASY brownie recipe in one bowl, without a mixer, and it’s ready in ONE MINUTE!! Rich, FUDGY, decadent, and accidentally vegan!
Prep Time: 2 minutes
Cook Time: 1 minute
Total Time: 3 minutes
Servings: 1 to 2 servings
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Ingredients 

  • ¼ cup granulated sugar
  • 3 tablespoons unsweetened natural cocoa powder
  • 3 tablespoons water
  • 2 tablespoons canola or vegetable oil
  • 2 tablespoons light brown sugar, packed
  • ½ teaspoon vanilla extract
  • pinch salt, to taste
  • ¼ cup all-purpose flour
  • cup semi-sweet chocolate chips*
  • ice cream or whipped topping, optional for serving

Instructions 

  • To a small microwave-safe bowl, add the granulated sugar, cocoa, water, oil, brown sugar, vanilla, salt, and whisk to combine.
  • Add the flour and stir until just combined, don’t overmix.
  • Add the chocolate chips and stir to combine.
  • Cook on high power in the microwave for about 1 minute, or until the brownie is as set in the center as desired. All microwaves, bowls, ingredients, and preferences for doneness vary, so you will need to experiment with how long it takes to cook given your variables. I recommend stopping to check at the 45-second mark and going from there in 15-second bursts as necessary.
  • Optionally add ice cream or whipped topping and serve immediately. Brownie is best warm and fresh.

Video

Notes

*Double check that your chocolate chips are vegan, if you want this recipe to be 100% vegan.

Nutrition

Serving: 1, Calories: 637kcal, Carbohydrates: 87g, Protein: 7g, Fat: 31g, Saturated Fat: 11g, Polyunsaturated Fat: 17g, Cholesterol: 29mg, Sodium: 128mg, Fiber: 4g, Sugar: 66g

Nutrition information is automatically calculated, so should only be used as an approximation.

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Originally published October 20, 2017 and republished February 14, 2020 and May 31, 2024 with updated text.

4.51 from 399 votes (352 ratings without comment)

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Please note: I have only made the recipe as written, and cannot give advice or predict what will happen if you change something. If you have a question regarding changing, altering, or making substitutions to the recipe, please check out the FAQ page for more info.

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Comments

  1. Just tried this out! Followed the ingredients completely except for the chocolate chips and cocoa (I used less chocolate chips and a very dark cocoa for a little less sweetness). I ended cooking it for a lot longer than 1 minute, I added a lot of additional 20 seconds! (Probably because my microwave isn’t up to snuff!) While this isnt oven baked brownie good, I love that this doesn’t require eggs or milk; it’s a perfect treat for when you dont have anything in the house but are craving something sweet!

    1. All microwaves can vary so much so timing is always variable but glad you loved this! And yes I agree with everything you said – when you’re in a mood for a quick treat, this is perfect!

  2. Yummy Deliciousness! I used Coconut oil and Gluten Free Flour. I microwaved it for 1:30 . (Used 15 sec increments after first 45 secs.

  3. I make this with 30ml brown sugar, 30ml white, a teaspoon ground flaxseed and a bit of extra water to make it more healthy (it’s the thought that counts…)

    1. 5 stars
      So yummy! I followed the recipe exactly but halved it for just myself. By far the best mug brownie Iโ€™ve tried. Perfectly cakey and moist for me. I did have to cook a little longer, about 1min and 15 seconds for my microwave!

      1. Thanks for the five star review and Iโ€™m glad that this was the best mug brownie youโ€™ve tried!

  4. I am so tempted to make this microwave brownie right now! So easy and looks so fudgy! Pinning!

  5. I need to make this for my husband. He is a chocoholic for sure. He would make this a ‘for one’ dessert. HA!

  6. This looks fudgy and delicious! I have tried other microwave mug cakes with egg and baking powder but sometimes they came out a little “spongy”. It’s good to know the egg isn’t necessary when a craving hits!

    1. This one is not AS dense as say a baked brownie but it’s realllllly good, given the 1 minute investment. If you have a chocolate craving out of no where, this will tame it :)