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Funfetti Mug Cake is a 2 ingredient, personal dessert made with your favorite mug and microwave. Make this mini funfetti cake in minutes!

funfetti cake made in a mug

Cake Mix Mug Cake

Funfetti mug cakes are a tasty way to enjoy a cake in a single portion serving. Not only does it help you satisfy that sweet tooth with your favorite cake, but it also helps to do it quickly!

If you find yourself wanting something sweet before bed (like many of us do ;)) but you don’t want to stay up late baking, waiting, and cleaning up after yourself, this Funfetti mug cake is the perfect solution! In under 5 minutes you can have a cake in your mouth and only a mug and spoon to clean.

I love super simple recipes and this one is as simple as it gets. Creating a mug cake is the perfect way to enjoy yourself without a large hassle. You’re going to love these Funfetti mug cakes!

cake mix mug cake

Mug Cake With Cake Mix Ingredients

  • Cake Mix
  • Water

The ratio you’ll want is 2:3, water:cake mix.

How to make a Mug Cake with Cake Mix

Measure out all of the ingredients and add them to your microwave-safe mug. Mix well. I like to add a few extra sprinkles on top because there are never enough sprinkles. 😉 

mug cake before microwaving

Place your mug into the microwave and bake for about 1.5 minutes. Open microwave, remove mug and give it a moment to cool before enjoying. Psst. add frosting on top for an even more magical experience. 😉

Microwave Cake Mix Flavor Ideas

Yes, mug cakes come in all sorts of different varieties. Use your favorite box cake mix to make a cake you enjoy!

Other Microwave Cake Mix Add-Ins

Adding chocolate chips, or more sprinkles while it’s baking could be a delicious idea. Adding a nice powdered sugar glaze to the top of the mug cake after its done baking could help it to feel more complete like a real cake.

Microwave Cake Mix FAQs

Are Microwave Mug Cakes Safe?

Yes, the cake is fully cooked and becomes hot enough to bake just as you would in the oven, just in a smaller portion!!

Why are Mug Cakes Mushy?

This mug cake should not be mushy, if it is, it hasn’t been cooked long enough.

Can I use milk instead of water for my mug cake?

Sure- that shouldn’t change anything but make the cake taste more rich!

pin image fore cake mix mug cake

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4.85 from 63 votes

Mug Cake Recipe With Cake Mix

Funfetti Mug Cake is a 2 ingredient, personal dessert made with your favorite mug and microwave. Make this mini funfetti cake in minutes!
Prep Time: 1 minute
Servings: 1 serving


  • 6 tbsp cake mix
  • 4 tbsp water


  • Whisk together the cake mix and water in a microwave safe mug.
  • Cook in the microwave for 1 1/2 minutes.
  • Allow the cake to cool slightly before eating.


Like this recipe? Rate and comment below!

About Karli Bitner

This blog is a little glimpse into my kitchen, family & life. I hope you’ll giggle the days away with me and enjoy the craziness that goes on at my house. If you are Cookie obsessed like I am, check out my Sister Site, Cookies for Days.

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Recipe Rating


  1. I want to make cake pops with my young niece and nephew, 2 and 6 respectively. I want to slowly teach them to bake. Can this recipe be used in a cake pop maker? I’m lokking to start slowly and not have to have them measure lots of ingredients.

  2. 5 stars
    I’m so grateful I found you! As a lady living alone, I gave been searching for a little something special to treat myself on Thanksgiving as I am by myself. Thank you darling! I will enjoy being in the kitchen tomorrow! Blessings to you!

  3. 5 stars
    It’s way better than any mug cake I made before! Way less spongy than regular mug cake, not 100 percent like real cake but with some icing on top I could barely tell a difference (: so happy I found this!! Didn’t want to make the whole box of cake mix so this helped my late night craving lol. So simple and delicious!

  4. I have never tried these with cake pops, but if you try it and it works out let me know!

  5. I love mug cakes because of the portion control, but I never knew you could make a mug cake with just cake mix and water. I am super excited to try this now. Thank you, Karli!

  6. 5 stars
    I was in no mood to make a whole cake and wait 45 mins to bake and 30 mins to cool. I had a box of pillsbury Funfetti cake already. I took out my favorite mug put three extra large spoonful of cake mix, two extra large spoonful of water. Whipped all ingredients with a fork. Put the mug in the microwave for 1:30 mins. I crossed my fingers and out came this amazing fluff of cake with perfect texture and no wet spots. Thank you for sharing

  7. I am about to do this recipe with my students. I have a regular funfetti box. Will it turn out ok even though the box calls for oil and eggs too.. this recipe only asks for water.