One-Minute Microwave Brownie

One-Minute Microwave Brownie

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!)

One-Minute Microwave Brownie

Easy Microwave Mug Brownie Recipe

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 it 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 have a 2013 recipe for a Fudgy Chocolate Brownie Microwave Mug Cake, and while that recipe is great, there’s an egg involved. This new mug brownie recipe is egg-free (and dairy-free), which makes it accidentally vegan. That’s great for those of us who like our brownies more along the lines of raw and gooey rather than well cooked.

Not that I haven’t eaten my fair share of raw eggs in cake batter, brownie batter, and cookie dough and am still alive to tell wonderful tales all about those batters and doughs, but I digress.

There’s no baking powder or baking soda in this 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 brownie ready in one minute, it’s warm, decadent, and studded with chocolate chips throughout. Enough said.

One-Minute Microwave Brownie

Microwave Brownie Ingredients

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

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

No really, that’s it! Just make sure your chocolate chips are vegan if you’re strict about that kind of thing. Most semi-sweet chocolate chips are naturally vegan, but it doesn’t hurt to double check! 

I also like to top my microwave mug brownie with a scoop of ice cream or a dollop of whipped cream, but that’s optional. 

One-Minute Microwave Brownie

How to Make a 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). Cook the brownie for about 1 minute, or until it’s as set in the center as you’d like. 

Wait a few seconds before diving in, as the brownie in a cup will be piping hot when you first take it out. 

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. 

One-Minute Microwave Brownie


  1.  1/4 cup granulated sugar
  2.  3 tablespoons unsweetened natural cocoa powder
  3.  3 tablespoons water
  4.  2 tablespoons canola or vegetable oil
  5.  2 tablespoons light brown sugar, packed
  6.  1/2 teaspoon vanilla extract
  7.  pinch salt, to taste
  8.  1/4 cup all-purpose flour
  9.  1/3 cup semi-sweet chocolate chips*
  10.  ice cream or whipped topping, optional for serving


  1. To a small microwave-safe bowl, add the granulated sugar, cocoa, water, oil, brown sugar, vanilla, salt, and whisk to combine.
  2. Add the flour and stir until just combined, don’t overmix.
  3. Add the chocolate chips and stir to combine.
  4. 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.
  5. Optionally add ice cream or whipped topping and serve immediately. Brownie is best warm and fresh.


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

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