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Fudgy Mug Brownie

This indulgent fudgy mug brownie is the perfect single-serving dessert. It’s decadent, chocolatey, and only takes a few minutes to make. Whether you’re in the mood for a quick dessert or a sweet late-night snack, this microwave brownie in a mug will satisfy your cravings.

Fudgy mug brownie with chocolate chips.

Why you’ll love this recipe

  • This cake is so moist and chocolatey, it will melt in your mouth.
  • Less than 5 minutes from start to finish, cooks in under 2 minutes
  • Made from pantry ingredients

Scroll down for the printable card for this microwave mug brownie recipe, or read on for all the details.

What do you need?

A microwave-safe mug

To make this recipe, you will need a 12-ounce microwave-safe mug or baking dish.

Key ingredients and substitutions

Flat lay of the ingredients for this fudgy mug brownie.

Flour

Use all-purpose flour. Bread flour will result in a chewy, overly gummy cake, so is not recommended.

Sugar

You can use regular granulated sugar or soft brown sugar.

Cocoa powder

This recipe uses unsweetened cocoa powder. Don’t substitute drinking chocolate mix.

Baking soda

Baking soda (not baking powder), helps the brownie to rise up during baking.

Milk

I usually use regular full-fat milk, but you can also use half-and-half, or substitute a plant based milk to make a vegan mug cake.

Oil

You can use vegetable oil, or any other cooking oil with a neutral flavor. Try light olive oil, canola oil, or avocado oil.

Vanilla extract

This ingredient is optional. If you don’t have any, your cake will still work out, but it really does add to the flavor, so use it if you have it.

Extra mix-ins

Try adding a tablespoonful of extra treats like chocolate chips, M&Ms, sprinkles, mini marshmallows, or crushed graham crackers (s’mores cake anyone?!).

How to make gooey chocolate mug cake in the microwave

This recipe is so quick and simple to make, there are just a couple of key steps to getting it just right:

  1. Mix the dry ingredients together in the mug first. You want them to be well combined so that not much mixing is required once the wet ingredients have been added.
Dry ingredients for fudgy brownie mixed in a mug.
  1. Add the wet ingredients and mix again until well combined and smooth.
Ingredients for fudgy brownie mixed in a mug.
  1. Add any extra goodies on top of the batter, chocolate chips or mini marshmallows are a great option.
  2. Microwave on HIGH for 1½-2 minutes, until just cooked in the center (the longer you cook it, the less gooey it will be.)
Microwaved fudgy brownie in a mug.

Serving ideas

I generally serve this cake with a big scoop of vanilla ice cream on the top, but a drizzle of chocolate sauce or some whipped cream will make it even more decadent.

Fudgy mug brownie with chocolate chips.

Fudgy Brownie in a Mug

4.7 from 7 votes
This indulgent fudgy mug brownie is the perfect single-serving dessert. It's decadent, chocolatey, and only takes a few minutes to make. Whether you're in the mood for a quick dessert or a sweet late-night snack, this microwave brownie in a mug will satisfy your cravings.
Prep Time3 minutes
Cook Time2 minutes
Total Time4 minutes
Serves1 Serving

Ingredients

  • ¼ cup all-purpose flour
  • ¼ cup sugar
  • 2 tablespoons unsweetened cocoa powder
  • ¼ teaspoon baking soda
  • teaspoon salt
  • 3 tablespoons milk
  • 2 tablespoons vegetable or canola oil
  • 1 tablespoon water
  • ¼ teaspoon vanilla extract
  • Optional: 1 tablespoon extra treats e.g. chocolate chips

Directions

  • Add dry ingredients to a 12 ounce microwave-safe mug. Stir together until well blended.
  • Add the milk, oil, water and vanilla to the mug. Mix well until thoroughly combined.
  • Optional step: add chocolate chips or other treats on top of the batter.
  • Microwavebrownie in mug for 1½-2 minutes, or until just set in the center [Note 1]
  • Allow to cool for at least a minute before serving. Top with a scoop of ice cream and eat straight from the mug.

Notes

  1. Place the mug on a plate when you put it in the microwave just in case it overflows during cooking.

Nutrition

Serving: 1  Calories: 599kcal  Carbohydrates: 81g  Protein: 6.7g  Fat: 30g  Saturated Fat: 5.9g  Polyunsaturated Fat: 15g  Monounsaturated Fat: 7g  Trans Fat: 0.2g  Cholesterol: 5.4mg  Sodium: 585mg  Potassium: 255mg  Fiber: 4.5g  Sugar: 52g  Vitamin A: 72IU  Calcium: 74mg  Iron: 2.9mg

Nutrition information is an estimate and provided for informational purposes only.

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Welcome to Love Food Not Cooking!

I’m Eliza, busy mom, home cook, and blogger. My goal is to help everyone cook good food, whether you lack time, skills, or motivation, there is something here for you! We have dozens of quick and easy recipes made using everyday ingredients for delicious meals your family will love!
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