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Brownie in a Mug

With this brownie in a mug recipe, you can satisfy your chocolate cravings in just six minutes with ingredients you likely already have in your pantry.

You don’t need any mixing bowls, and there’s no need to wait for the oven to preheat. Instead, you’ll mix a few ingredients right in the mug, then nuke it until it’s gooey.

It’s dangerously easy and devilishly delicious!

Brownie in a mug topped with vanilla ice cream and chocolate chips.
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Why You’ll Love This Brownie in a Mug

Quick Satisfaction: Craving dessert? This brownie mug cake needs just 60 seconds in the microwave!

Minimal Cleanup: Forget about washing multiple dishes. With this recipe, all you need is a mug and a fork, making cleanup a breeze.

Customizable Delight: Personalize your brownie with your favorite add-ins like nuts, caramel, or a drizzle of peanut butter for a unique treat every time.

Brownie batter with mini chocolate chips in a white mug.

Ingredients

  • All-Purpose Flour: The foundation that provides structure to your brownie, creating a tender crumb.
  • Granulated Sugar: Adds the perfect amount of sweetness to balance the rich chocolate flavor.
  • Unsweetened Cocoa Powder: The star ingredient that delivers intense chocolate taste in every bite.
  • Pinch of Salt: Enhances and rounds out the chocolate flavor, making it even more irresistible.
  • Vegetable Oil (or Melted Butter): Provides moisture and richness for a fudgy, gooey texture.
  • Milk: Makes the brownie extra moist and soft. Substitute with water for a firmer texture.
  • Vanilla Extract: Lends a subtle sweet aroma that complements the chocolate.
  • Semisweet Chocolate Chips: Melty pockets of chocolate that take this brownie to the next level of decadence.
Spoon scooping brownie baked in a white mug with melted chocolate on top

How to Make Brownie in a Mug

In just a few minutes, you can whip up a single-serving, molten chocolate treat right in your microwave. 

Don’t believe me? Check out these simple steps!

1. MIX DRY. In a microwave-safe mug, whisk the dry ingredients so they’re evenly distributed. 

2. ADD WET. Add the oil, milk, and vanilla and stir with a fork until the batter is smooth and all the dry ingredients are incorporated. Stir in the chocolate chips last.

3. MICROWAVE for 1 minute. It should look puffy but slightly wet in the middle. 

4. ADD extra chocolate chips (optional), then leave to rest for a few minutes. 

5. SERVE warm with a scoop of vanilla ice cream or a dollop of whipped cream.

A Note on Microwave wattage:

Mine is 1000-watt, and 60 seconds was just right.

If yours is higher (or you’re unsure) cook for 45 seconds and check the brownie. Then cook in 10-second intervals until it’s done.

Similarly, if yours is under 100 watts, you might need to cook the brownie for closer to 90 seconds.

Brownie mug bake with choclate chips

Tips For the Best Brownie in a Mug

This fudgy brownie in a mug is my go-to for those late-night chocolate cravings or when I just need a quick pick-me-up.

But if you’ve ever made a mug cake before, you’ll know they can go wrong in a matter of seconds. 

So, read these tips before you start!

  • Mug size. Use a mug that holds at least 8-10 ounces to prevent the batter from overflowing during cooking.
  • Whisk well. Whisk the dry ingredients until no lumps remain for a smooth batter.
  • Avoid overcooking. Microwave for 1 minute, then check for doneness. It should look slightly wet on top, but it will set up as it cools. 
  • Optional mix-ins. Melt some peanut butter or Nutella in the mug and mix that in with the batter. Or add chopped nuts or extra chocolate chips for added flavor and texture.
  • Topping ideas. Top the warm brownie with a scoop of vanilla ice cream, a dollop of whipped cream, a drizzle of caramel or chocolate sauce, or a sprinkle of powdered sugar.

How to Store

Microwave mug brownies are best enjoyed fresh and warm out of the microwave for optimal taste and texture.

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The longer you let it sit, the more rubbery it will become. 

More Brownie Recipes You’ll Love

Brownie Bites
Peanut Butter Brownies
Brownie Truffles
Brownie Bread

Brownie in a Mug

Course: DessertCuisine: American
Servings

1

servings
Prep time

5

minutes
Cooking time

1

minute
Calories

665

kcal

With this brownie in a mug recipe, you can satisfy your chocolate cravings in just six minutes with ingredients you likely already have in your pantry.

Ingredients

  • 3 tablespoons all-purpose flour

  • 3 tablespoons granulated sugar

  • 2 tablespoons unsweetened cocoa powder

  • pinch salt

  • 2 tablespoons vegetable oil (or melted butter)

  • 3 tablespoons milk

  • 1/4 teaspoon vanilla extract

  • 2 tablespoons semisweet chocolate chips, plus more for garnish

Instructions

  • In a microwave-safe mug, stir the flour, sugar, cocoa powder, and salt with a fork until well combined.
  • Add the oil, milk, and vanilla. Stir until the batter is smooth and all the dry ingredients are incorporated. Stir in the chocolate chips.
  • Microwave on high for 1 minute. The top will be puffed, the edges should look firm, and the center should look slightly wet. If needed, cook in 10-second intervals until done.
  • Sprinkle extra chocolate chips over the top then let the brownie cool for a minute or two before enjoying it warm. For an extra special treat, top with a scoop of vanilla ice cream or a dollop of whipped cream. Enjoy!

Notes

  • Mug size. Use a mug that holds at least 8-10 ounces to prevent the batter from overflowing during cooking.
  • Avoid overcooking. Microwave for 1 minute, then check for doneness. It should look slightly wet on top but it will set up as it cools.

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author avatar
Kim - InsanelyGood
Hey there! I'm Kim. I love running, cooking, and curling up with a good book! I share recipes for people who LOVE good food, but want to keep things simple :)

2 thoughts on “Brownie in a Mug”

  1. What wattage microwave did you base this recipe on? I have both an 1100 and 1000 wattage. Which do I use? Please answer my question asap. I have all these ingredients on hand and would like to try this recipe. Thanks so much.

    Reply
    • Hi Susan!
      Mine is 1000 watts and 60 seconds is just right for this mug cake.
      But if you’re unsure, start with 45 seconds and go from there.
      I’ve added a note about this in the post, so thanks for asking 🙂

      Reply

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