Skip to Content

Gooey Chocolate Mug Cake (Microwave Mug Cake)

This indulgent gooey chocolate mug cake 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 easy mug cake will satisfy your cravings.

This post may contain affiliate links. You can read my affiliate policy here.

Microwave gooey chocolate mug cake in a glass mug with mini marshmallows.
Decadent, gooey chocolate mug cake.

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 (+milk)

If you’re looking for a quick and delicious dessert, look no further than the chocolate mug cake! Made with just a few simple ingredients, and baked in the microwave, this cake is perfect for satisfying your sweet tooth, fast!

This single-serving cake is made in the microwave and only takes a few minutes to make. Plus, it’s super easy to customize – you can add your favorite mix-ins or top it with a scoop of ice cream.

Scroll down for the printable card for this microwave chocolate mug cake 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

Ingredients for this chocolate mug cake recipe.


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


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 cake to rise up during baking.


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.


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.
  2. Add the wet ingredients and mix again until well combined and smooth.
The dry ingredients for this recipe in a glass coffee mug.
Mix the dry ingredients together in a 12oz microwave-safe mug.
Fully mixed cake batter in a glass mug.
Add the wet ingredients and mix together until smooth.
  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.)

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.

Microwave gooey chocolate mug cake in a glass mug with mini marshmallows.

Gooey Chocolate Mug Cake

How to make a gooey chocolate mug cake in the microwave.
4.72 from 7 votes
Prep Time 3 mins
Cook Time 2 mins
Total Time 4 mins
Servings 1 Serving


  • 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


  • 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.
  • Microwave mug cake for 1½-2 minutes, or until just set in the center [Note 1]
  • Top with a scoop of ice cream and eat straight from the mug.


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


Serving: 1Calories: 599kcalCarbohydrates: 81gProtein: 6.7gFat: 30gSaturated Fat: 5.9gPolyunsaturated Fat: 15gMonounsaturated Fat: 7gTrans Fat: 0.2gCholesterol: 5.4mgSodium: 585mgPotassium: 255mgFiber: 4.5gSugar: 52gVitamin A: 72IUCalcium: 74mgIron: 2.9mg

You may also like:

Looking for more recipes?

Check out our recipe index where you can browse recipes by category and meal type!

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 are short on time, skills, or motivation, there is something here for you! We have dozens of quick and easy recipes for dinner, lunch, side dishes, and more. Our recipes use everyday ingredients, for quick delicious meals your family will love! Read more…

Cartoon drawing of the author.

*This blog post contains affiliate links, which means if you click on a link and go on to buy the product I recommend, I will get a small commission, but you will not be charged a cent more – thanks in advance for your support!