100 Calorie Chocolate Mug Cake (No egg, no milk!)

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5 from 964 votes
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This easy and simple chocolate mug cake recipe has no eggs and butter, but you’d never tell. It’s moist, fluffy and takes just 1 minute to make. Clocking in at less than 100 calories, it’s the EASIEST chocolate fix made with simple ingredients.

100 calorie chocolate mug cake

Everyone needs a chocolate fix, especially when we are spending more and more time at home.

This EASY chocolate mug cake is your answer. It was inspired after my recipe for this crazy chocolate cake recipe, but a single serving version.

No eggs.

No butter.

Zero milk. 

Easily made sugar-free.

It uses pantry staple ingredients, and happens to be secretly healthy too!

1 Minute Chocolate Mug Cake

No, your eyes aren’t deceiving you, this chocolate mug cake literally takes 1 minute to make

No mixing bowls needed either, you can mix it all up in your mug or ramekin and simply microwave it.

I’ve also included instructions for how to make it in an oven too, because not everyone uses a microwave or has one.

It’s naturally vegan, gluten-free and dairy-free, but you’d never tell. 

The texture? It is light, fluffy and if you undercook it ever to slightly, it is moist too. 

The taste? Sweet, rich and LOADED with chocolate flavor. Only slightly better with the addition of a few chocolate chips…

How to make a chocolate mug cake from scratch

The Ingredients

  • All-purpose flour– Also known as plain flour. Be sure to sift it thoroughly if your flour has clumps.
  • Sugar OR sugar substitute– To keep the calories super low and the mug cake sugar-free, opt for a sugar substitute (granulated). If you are fine with some sugar, any works- brown, white, coconut sugar etc.
  • Cocoa Powder– To give the mug cake the chocolate flavor! Use a good quality cocoa powder, to really bring out the flavor.
  • Baking soda– To give the mug cake some rise and texture! 
  • Salt– Brings out the sweetness, especially in cakes! 
  • Oil of choice– For the rich texture of the cake. Oil also replaces the need for any butter or margarine. 
  • White vinegar– Acts as a leavening agent, especially when mixed 
  • Vanilla extract– A must for any baked good or cake! 
  • Water– Replaces the need for any milk or other liquids. 
  • Espresso powder– Enhances the chocolate flavor! This is optional and can be omitted. 
  • Chocolate Chips– Optional, but highly recommended for an even greater chocolate flavor! 

The Instructions

Making this mug cake is incredibly easy and can be in either in the microwave or in the oven

  • Microwave– In a microwave-safe bowl, ramekin or mug, combine your dry ingredients and mix well. Add your wet ingredients and mix well, until a smooth batter remains. Microwave for 1-2 minutes, or until the batter has been cooked. Remove from the microwave and let stand for 2 minutes, before enjoying. 
  • Oven– Preheat the oven to 180C/350F. Grease an oven-safe ramekin or small baking dish (4 or 6 inches). Follow the microwave instructions, but bake in the oven for 8-10 minutes, or until a skewer comes out ‘just’ clean. Remove from the oven and let sit for a minute, before enjoying. 
skinny chocolate mug cake
one minute chocolate mug cake

Possible Variations

Looking for other ways to prepare this chocolate mug cake? Here are some suggestions

Keto chocolate Mug Cake

Fat Free Chocolate Mug Cake

  • Replace the oil with unsweetened applesauce or mashed overripe banana. 
  • Be sure your cocoa powder is fat-reduced (dutch processed). 

Gooey Chocolate Mug Cake

  • Add an extra 2 tablespoons of water
  • Reduce the cooking time until the tops are ‘just’ done 
  • Add 1-2 tablespoons of chocolate chips directly into the center of the mug cake, not on top

Dark Chocolate Mug Cake

  • Replace the cocoa powder with dark cocoa powder
  • Break up a square of dark chocolate (70% or higher) and fold through the batter

Flourless Chocolate Mug Cake

Mug Cake Tips

  • Be sure to grease your mug or ramekin very well, to avoid the mug cake sticking to it.
  • If possible, use a bigger than necessary ramekin or mug, to avoid any over-spilling
  • Be sure to sift your flour, if it is clumpy. We don’t want pockets of flour in the mug cake.
  • Remember, microwave models differ. I’d recommend microwaving your mug cake in 30-second spurts. If you are unsure, microwave the cake at half-power (wattage). It will take longer, but it will be foolproof. 

Can I prepare the mug cake in advance? 

Mug cakes should always be made fresh. Avoid preparing the batter beforehand, or it will sink and be difficult to microwave/bake correctly.

Do not freeze the mug cake. 

low calorie chocolate mug cake

More delicious and healthy mug cakes

gluten free vegan chocolate mug cake

100 Calorie Chocolate Mug Cake (Vegan, Gluten Free)

5 from 964 votes
This easy 100 calorie chocolate mug cake takes just one minute to make! No eggs, no milk, no butter! Moist, fluffy and the PERFECT single serving chocolate dessert recipe!
Servings: 1 serving
Prep: 1 minute
Cook: 1 minute

Ingredients  

Instructions 

  • Grease a microwave-safe bowl or ramekin generously with cooking spray.
  • Add your dry ingredients and mix well. Add the rest of the ingredients and mix until fully incorporated. If using chocolate chips, fold them through.
  • Microwave for 1-2 minutes, or until done. Remove from the microwave and let sit for 30 seconds, before enjoying.

Oven Instructions

  • Preheat the oven to 180C/350F. Grease an oven-safe dish or ramekin (4-6 inches).
  • Add your dry ingredients and mix well. Add the rest of the ingredients and mix until fully incorporated. If using chocolate chips, fold them through.
  • Bake for 8-10 minutes, or until the cake looks done. Remove from the oven and let sit for 30 seconds, before enjoying.

Notes

* Try not to fill the 1/2 teaspoon full of the vinegar.
The chocolate mug cake is made without eggs, so it is okay if your mug cake is a little undercooked.
For a moist chocolate mug cake, add an extra 1-2 tablespoons of water and add chocolate chips into the center of the mug cake.
If you love mug cakes, you’ll love these mug cake recipes

Nutrition

Serving: 1mug cakeCalories: 96kcalCarbohydrates: 13gProtein: 2gFat: 4gSodium: 148mgPotassium: 3mgFiber: 1gVitamin A: 3IUVitamin C: 3mgCalcium: 3mgIron: 1mgNET CARBS: 12g
Course: Dessert
Cuisine: American
Author: Arman Liew
Tried this recipe?Give us a shout at @thebigmansworld or tag #thebigmansworld!

Disclosure: This post may contain affiliate links. I may earn a small commission for my endorsement, recommendation, testimonial, and/or link to any products or services from this website.

Arman Liew

I’m a two time cookbook author, photographer, and writer, and passionate about creating easy and healthier recipes. I believe you don’t need to be experienced in the kitchen to make good food using simple ingredients that most importantly, taste delicious.

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  1. 5 stars
    This was AMAZING! I loved the taste of this so much. I used granulated Swerve as my sweetener, and I broke up, into small pieces, a few squares of plant based Hershey’s bar and used those as my chocolate chips! I can’t believe how good this tasted. And it really satiated my craving for dessert.

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