Hot Chocolate Mug Cake

Today I’m sharing a mug cake recipe that tastes just like hot chocolate in a cake form. It’s a perfect treat for these chillier days, best eaten warm with the marshmallows still gooey.

This recipe is in my new cookbook 5-Minute Mug Cakes!

Over Thanksgiving weekend I consumed a lot of hot chocolate. Part of the reason was to stay warm because my parents’ house is always freezing. The other reason was just that I love drinking hot chocolate with others. I even packed some Swiss Miss Hot Chocolate K-Cups in my luggage, to make sure there would be enough for the whole family. For some reason, drinking hot chocolate with loved ones just makes it so much more special.

This mug cake adds a scoop of hot chocolate powder and is studded with mini marshmallows. It tastes especially good straight out of the microwave and it should help keep you warm too. It’s also a really great idea for a holiday present. You can make a mug cake kit set, with instructions on how to make the cake, and provide all the dry ingredients. It’s actually what I’m planning on doing this holiday season.

Here is a recent video I did of my chocolate chip mug cake to give you an idea of how easy it is to make mug cakes!

If you enjoy mug cakes, check out my  5-Minute Mug Cakes cookbook which contains nearly 100 recipes!

Hot Chocolate Mug Cake

Ingredients:

  • 3 tbsp all purpose flour
  • 1 tbsp hot cocoa mix (I used 1 tbsp from a packet of Swiss Miss Milk Chocolate with mini marshmallows)
  • 2 tsp granulated white sugar
  • 1/4 tsp baking powder
  • 3 tbsp milk
  • 1/2 tbsp vegetable oil
  • 5 mini marshmallows

Directions:

1. Add all ingredients except mini marshmallows into a microwave-safe mug. Mix with a small whisk until batter is smooth. Add in mini  marshmallows. If you want them on the top, leave them as is. If you want them mixed into the batter, stir them into the batter. 2. Microwave for about 1 minute, or until cake is cooked. Top of cake should be dry to the touch. Cake is best consumed warm.
Excerpted from 5- Minute Mug Cakes by Jennifer Lee. Copyright © 2014 by Jennifer Lee. All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.

All images and content are © Kirbie's Cravings.

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Related Recipes

Check out my full mug cake recipe index!

3 Ingredient Flourless Nutella Mug Cake
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Brownie Mug Cake
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S’mores Mug Cake
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Chocolate Cookies and Cream Mug Cake
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13 comments on “Hot Chocolate Mug Cake”

  1. This is the second mug cake I have made from your website, and
    although they taste amazing I find that they don’t rise properly. They only rise to about a quarter to a half of the mug. I was wondering if you could tell me what I might be doing wrong. Thanks.

    • If you are using an oversized mug, about halfway to 2/3 of the way up should be right. If it’s not rising enough it may be your baking powder. These are meant to be individual servings, so about the size of a cupcake. I explain this further in my book, but I recommend using an oversized mug because the cake will rise quite a bit while cooking and then sink back down as it cools. If you use a mug that is too small, your cake may overflow while cooking, so I always recommend people start with a big mug. If you really want the cake to be brimming from the mug you will have to use a smaller mug. In this photo, I used a smaller mug but only after I knew what size would work without it completely overflowing while cooking. It’s a a little bit of trial and error and also depends on your microwave.

  2. When are you going to announce the winners?

    • the winners have been contacted. Once they have responded, I will announce the winner. If they don’t respond within 48 hours, I will generate new winners. thanks!

  3. this mug cake is FANTASTIC I made it almost every day during winter break (probably not so good for me but it’s worth it)

  4. I’ve made a few mug cakes now from your website, they are all super delicious but this one has really caught my fancy! Thank you so much!

  5. Haii! I have made a couple of your cakes, and they turned out wonderful!! Thanks so much for suggesting them, they totally make my day and all.  My only concern is that they taste kind of bland. Like I follow all your steps but I don’t understand why, there is a hint of sweet, but its not as much as you would be hoping for. I usually end up putting cookies, ice cream or nutella on top to make it sweeter. Do you know why this could happen?

    • Hi Somsom- So the cakes are supposed to be similar to an unfrosted cupcake. They should be a little plain and for people who don’t like really sweet things, it’s just the perfect amount of sweetness. For people who have a sweet tooth, you can add frosting, chocolate sauce, ice cream, etc. You can also add a little more sugar to the batter if you want, but it’s really hard to meet everyone’s tastes and so I try to go for the lowest amount of sugar and people can always increase from there.

  6. I’ve tried so many mug cakes from so many other websites and yours are the only ones that have ever worked for me:)

  7. It is absolute heaven if paired with a peppermint swirl mug cake. I was looking through your mug cakes, when I saw both. I couldn’t decide, so I said “why not make both?”. I made the peppermint cake in the mug, and the hot chocolate one in a bowl(I cute the recipe in half for each.… too much mug cake is a thing). Then, I used a little spatula to spoon all of the hot chocolate into the mug. It landed perfectly in the middle! I didn’t add marshmallows though. When baked, the hot chocolate had risen a little more, and it looked so cool. This was absolutely delicious! 

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