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The Moistest Chocolate Mug Cake

This is the moistest chocolate mug cake you will ever have. It’s not spongey or dry like other mug cakes! I personally tested this recipe FOUR times to finally achieve this amazing texture!

The moistest chocolate mug cake you will ever have! It's not spongy like other mug cakes! Recipe on

The moistest chocolate mug cake you will ever have! It's not spongy like other mug cakes! Recipe on

The moistest chocolate mug cake you will ever have! It's not spongy like other mug cakes! Recipe on

Ok, so you’re probably so over mug cakes and you’re probably rolling your eyes at me right now but STOP! I promise you this isn’t like any other mug cake out there. I’ve tried a bunch of mug cakes and I hated them. I thought they were a really neat concept for a quick dessert fix but nothing would ever beat baking an entire cake or cupcake. I hated that all the mug cakes came out SPONGY and they had the grossest texture.

Last week, I was CRAVING chocolate like none other. It was a pretty dire situation. We didn’t have any desserts in the house because I hadn’t been baking and I didn’t want to run out to get anything so I thought I’d give a mug cake a shot. It ended up turning into a recipe development hour because the first batch came out horrible. Like, I threw it in the trash can and it was just one lumpy sponge thing. The second one was slightly better but still really bad. The third, I switched out some ingredients and added a little bit more of some and it came out how I wanted but I knew it could’ve been better so on the fourth try, I finally got it to work and the exact texture I wanted.

You guys, this is the moistest chocolate mug cake I’ve ever tasted before. I’m not joking! You have to try this and see for yourself. It’s a great alternative to baking an entire pan of brownies & it’s a super awesome quick fix for that chocolate craving! Jason loved it and said it tasted like brownies! Yay :)

The moistest chocolate mug cake you will ever have! It's not spongy like other mug cakes! Recipe on

The moistest chocolate mug cake you will ever have! It's not spongy like other mug cakes! Recipe on


The Moistest Chocolate Mug Cake
Recipe type: Dessert
Prep time: 
Cook time: 
Total time: 
Serves: 1
  • ¼ cup all-purpose flour
  • 2 tbsp. unsweetened cocoa powder
  • ¼ tsp. baking powder
  • 2 tbsp. granulated sugar (you can add 1 tbsp. more if you like it a bit sweeter)
  • ⅛ tsp. salt
  • ¼ cup + 1 tbsp. milk
  • 2 tbsp. vegetable oil
  • 1 tbsp. hazelnut chocolate spread
  1. In a medium bowl, whisk together dry ingredients.
  2. Whisk in the milk and vegetable oil until all ingredients are combined and batter has no clumps.
  3. Pour batter into a microwave-safe mug. Mine was a 14-ounce mug. You want enough head space for the cake to rise without pouring over.
  4. Add 1 tbsp. of hazelnut chocolate spread in the middle of the batter. Just drop it in the middle, no need to push it down and sink it in the batter.
  5. Place a paper towel into the microwave and set the mug on top (this is to catch any batter if your mug cake overflows).
  6. Microwave mug cake for 70 seconds on high (PLEASE READ NOTES CAREFULLY BELOW)
  7. Carefully remove from microwave and enjoy!
Please note that ALL microwaves are different therefore can yield different results and can overcook this mug cake if you aren't careful. My microwave is 950 watts and I cooked mine on 100% power for 70 seconds. Knowing this information, it may help you better judge how long to cook yours for and at what power.

You can totally omit the tablespoon of chocolate hazelnut spread if you want or use a different spread of your choice (peanut butter, biscoff, etc.). I just thought it made the cake even more moist but the cake itself is moist enough without it!

**This recipe is specifically made for the microwave. I developed it for the microwave. I don't know cook time or temperature for an oven...I'd imagine it'd be a very quick cook time at a low temp., but since I didn't test the recipe for an oven, I cannot give specifics. Sorry!

No eggs? Correct. There are NO EGGS in this recipe. Why? Egg is what makes the mug cake spongy. If you think about it, when you bake a full-sized cake, you typically use 1 or 2 eggs...for a mug cake to use 1 egg is A LOT!

If you're looking for a VANILLA version, here is the link to The Moistest Vanilla Mug Cake recipe!




  1. Cris
    03/23/2015 at 9:09 pm

    This is wonderful! I used soy milk since husband is allergic to dairy and it worked fine. I also used peanut butter instead f Nutella (dairy) and he loved it. Thanks for posting.

  2. Lisa W
    03/24/2015 at 10:25 pm

    I just made this for my husband and it was delicious. Have you ever tried making a large batch and then pouring it in to the individual mugs? If so,can you put more than one in the micro at a time.?

    • Julie
      03/25/2015 at 8:38 am

      You could probably make a larger batch, but I’ve never done it. You could just double or triple or quadruple the amount. If you put more than one in a microwave, you’ll likely have to increase the time it’s in there.

  3. Olga
    03/25/2015 at 5:39 pm

    Oh my I have tried tons of mug cakes but none like yours!!! Thanks a million this is my recipe from now on…

  4. Djoyce
    03/26/2015 at 3:47 pm

    so I just made this but instead of milk (because there was none in the fridge) I took one heaping tablespoon of heavy cream and dissolved it in a bit of water, and it’s fantastic. thanks for the recipe. I hate mug cake recipes with eggs. this one is on point <3

  5. Mariluz
    03/27/2015 at 4:18 am

    The best mug cake. thank you.

  6. Ali Racht
    03/27/2015 at 2:39 pm

    just made this….I LOVED IT!! Very good, quick and easy! Thank you!

  7. Fatin Hasran
    03/28/2015 at 8:56 am

    made this today and the cake is ah-mazing!!!

  8. Angela
    03/28/2015 at 11:09 am

    Can’t thank you enough!!!!!!!!!!
    My 3 yr old daughter loved itttt! She saying yummmy delicious with every bite

  9. Sam
    03/28/2015 at 11:24 am

    Wonderful recipe… my 8 year old made it and was more than delicious. All of us loved it and truly it’s the softest mug cake ever…<3

  10. Vince
    03/28/2015 at 8:53 pm

    I was craving chocolate. Saw your recipe and read your blog on it.
    It was delic. Exactly as you described. However I didn’t have any Nutella so I added strawberry preserve I had just finished making.
    Thank you for your help in satisfying my craving.

  11. Brit
    03/28/2015 at 10:30 pm

    This was the perfect late night, sweet tooth fix!!! I added a splash of vanilla and used self-rising flour and omitted salt and baking powder. They were so delicious :-)
    Thanks for sharing this recipe!

  12. Recipe Person
    03/28/2015 at 11:45 pm

    This is probably the best mug cake i’ve ever made in a while… turned out perfectly!

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