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Home recipes Dessert

Blueberry Mug Cake

3 minutes
blueberry
Posted:2/23/22
Updated:2/28/22
Jump to Recipe

Cure your sweet tooth cravings with this single-serving Blueberry Mug Cake. In less than 2 minutes in the microwave, you’ll have a mini blueberry sponge cake that’s just as delicious, moist, and fluffy as the real thing. Perfect for breakfast, snacks, and dessert. 

blueberry cake in white mug.

Blueberry mug cake recipe

If there’s a full-size blueberry cake in my kitchen, I can pretty much kiss every other food group in my diet goodbye. All jokes aside, to avoid eating nothing but blueberry cake for days, I’ve come up with a brilliant and straightforward solution: a single-serving low-calorie blueberry cake “baked” in a mug in the microwave. 

This tasty Blueberry Mug Cake is quick, easy, and made with mostly pantry staples. The simple batter “bakes” for less than 2 minutes in the microwave so you can conquer your cravings in no time. The fluffy crumb and fruity flavor are so similar to a real blueberry muffin and sponge cake, making it the perfect treat to enjoy for breakfast, dessert, or a quick snack.

spoon filled with blueberry cake coming out of white bowl.

What’s in a blueberry mug cake?

You’ll need a short list of simple ingredients, most of which are pantry staples you might already have on hand:

  • All-purpose flour
  • Sugar
  • Baking powder
  • Salt
  • Milk (dairy or plant)
  • Butter
  • Vanilla extract
  • Blueberries 
batter with fresh blueberries in small bowl.

How to make blueberry cake in the microwave

If you can stir and operate the microwave, you can make blueberry mug cakes. You’re going to love how easy this is! Here’s how it’s done:

In a microwave-safe mug or ramekin, mix the flour, sugar, baking powder, salt, milk, butter, and vanilla together until just combined. Try not to overmix.

spoon mixing batter in small white bowl.

Gently fold the blueberries into the batter.

blueberries in batter in bowl.

Microwave the cake for 1 minute. If the mug cake has risen and looks like a real baked cake, it’s ready to eat. If not, microwave it for 10 more seconds.

closeup of baked single serving blueberry cake in ramekin.

Carefully remove the mug from the microwave and let it cool for 1 minute. Grab a spoon and enjoy your blueberry mug cake!

spoon living blueberry cake out of white bowl.

Expert tips

  • Be sure to use a microwave-safe mug or ramekin and use oven mitts when taking it out of the microwave. The mug will be very hot!
  • Microwaves vary in strength. These cakes will take between 60 and 80 seconds to cook. 

Variations and topping ideas

Blueberry mug cake is an easy summertime dessert that can be customized with different berries. Feel free to replace the blueberries with blackberries, raspberries, strawberries, or a mix of each. Chocolate chips, chopped nuts, lemon zest, and shredded coconut also taste excellent baked into blueberry muffins and cakes.

When the cakes are to your liking, top them with all kinds of delicious toppings:

  • Blueberry whipped cream 
  • Buttercream frosting 
  • Melted white chocolate
  • Blueberry jam
  • Lemon glaze
  • Sliced almonds
  • Cream cheese frosting
  • Almond butter
  • Lemon zest
side view of blueberry cake dripping down the side of white bowl.

Storing

Blueberry mug cakes are meant to be quick, convenient, and enjoyed fresh from the microwave. However, if you do end up with leftovers, they can be stored for later:

To store: Pop the cake out of the mug and store it wrapped in plastic or in an airtight container in the fridge for 1 or 2 days.

Frequently asked questions

Is it better to make mug cakes with fresh or frozen blueberries?

You can make these cakes with either. The benefit to using frozen blueberries is you can guarantee they were picked at their prime and taste great. Use fresh blueberries if they’re in season. 

Why did the blueberries sink to the bottom of my mug cakes?

Gravity. When the berries are heavier than the batter, they tend to sink to the bottom. 

How do you keep blueberries from sinking to the bottom of the cake?

Lightly coat the blueberries with flour before folding them into the batter to help keep them suspended in the cake and prevent them from falling to the bottom. 

Can I make these mug cakes gluten free?

You should be able to swap the all purpose flour with a 1:1 gluten free all purpose flour like Bob’s Red Mill or King Arthur. 

Can I bake this blueberry mug cake in the oven? 

While you can technically bake this batter in the oven, it won’t rise as much, and baking it in the oven defeats the purpose of making mug cakes. If you’d rather bake a cake, check out this blueberry crumble cake and these blueberry cornbread muffins.

Hungry for more easy dessert recipes?

  • Chocolate Banana Mug Cake
  • Mini Coffee Cake Muffins
  • Lazy Daisy Oatmeal Cake
  • Moist Banana Muffin

Pin for later:

Cure your sweet tooth cravings with this single-serving Blueberry Mug Cake. In less than 2 minutes in the microwave, you’ll have a mini blueberry sponge cake that’s just as delicious, moist, and fluffy as the real thing. Perfect for breakfast, snacks, and dessert.
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5 from 2 votes

Blueberry Mug Cake

Print
Cure your sweet tooth cravings with this single-serving Blueberry Mug Cake. In less than 2 minutes in the microwave, you’ll have a mini blueberry sponge cake that’s just as delicious, moist, and fluffy as the real thing. Perfect for breakfast, snacks, and dessert. 
Prep Time: 2 minutes
Cook Time: 1 minute
Total Time 3 minutes
serves 1

Ingredients

  • 1/4 cup all-purpose flour
  • 1 tablespoon sugar
  • 1/4 teaspoon baking powder
  • 1/4 teaspoon salt
  • 3 tablespoons milk
  • 1 tablespoon butter softened
  • 1/4 teaspoon vanilla extract
  • 3 tablespoons blueberries

Instructions

  • Mix flour, sugar, baking powder, salt, milk, butter and vanilla in a mug or small bowl. Add blueberries and gently fold into cake batter using a spoon, careful not to crush them.
  • Put the mug in microwave for 1 minute. Once 1 minute is up, check to see if it has a cake like texture. If not, microwave for 10 additional seconds. The cake will take 60-80 seconds.
  • Allow to cool for 1 minute and then eat straight out of the mug. Enjoy!

Video:

Nutrition Information:

Calories: 238kcal (12%)
Course:Dessert
Cuisine:American
Keyword:blueberry mug cake
Did you make this?I love seeing what you’ve made! Tag me on Instagram at @BrooklynFarmGirl and don’t forget to leave a comment & rating below.

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  • Chocolate Banana Mug Cake
  • Mini Blueberry Muffins

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  1. Susan Hobson says

    May 29, 2021 at 2:44 am

    We love this recipe! I made it as instructed except I doubled the amount of blueberries and added a tad of some cinnamon, mace and cardamon to each mug. Wow! So amazing! We topped it with whipped cream and what a treat! It was my son’s last day of school and we decided to celebrate. All of our fresh organic blueberries from Costco ended up all over the floor. We found a bag of Simple Truth organic blueberries in the freezer and used those. They were great! Thank you for a great recipe!

    Reply
  2. Carol Overcash says

    September 19, 2020 at 12:24 pm

    It sounds scrumptious. Can you double the batch to make 2?

    Reply
    • Pamela says

      September 21, 2020 at 1:06 pm

      Absolutely, if you cook both in one mug, you will probably need to add some additional time. Hope that helps! 🙂

      Reply
  3. Love blueberries says

    January 7, 2020 at 5:56 am

    Wondering about the nutritional value. How many carbs?

    Reply
    • Pamela says

      January 9, 2020 at 2:45 pm

      Hi! I don’t provide nutritional value on recipes. There’s some good carb calculators that you can find on Google. Hope this helps! 🙂

      Reply
  4. Terri says

    June 25, 2018 at 9:44 pm

    Omg! Well, my fersion is- 1/4 c. Bisquick, 2 tbls.sugar, 2 drops vanilla, 1/2 egg, 8 blue berries. 60 min. To heaven! Topped whip cream. Thanks!

    Reply
    • CJ says

      July 20, 2020 at 9:25 pm

      I would really like to know how the heck you use half an egg? Thx

      Reply
      • Pamela says

        July 21, 2020 at 9:23 am

        Hey CJ. Crack the egg into a bowl, whisk it and only use half of it. 🙂

        Reply
  5. Rebecca says

    January 19, 2018 at 4:43 pm

    Shut the front door! This is awesome!!! Definitely trying this!!!

    Reply
  6. Rose says

    July 28, 2017 at 9:33 am

    I say use the whole egg and make two! One for dessert and one for breakfast!

    Reply
    • Pamela says

      July 28, 2017 at 6:05 pm

      I like the way you think Rose!

      Reply
  7. Emma @ Bake Then Eat says

    February 29, 2016 at 2:28 pm

    I’m the same, a whole cake is dangerous. I’m just starting to get into mug cakes they are the perfect solution to keep your sweet tooth happy and not have anything left over tempting you!

    Reply
  8. Megan - The Emotional Baker says

    February 27, 2016 at 9:58 am

    A whole cake is dangerous! This mug cake is the perfect solution – I love the blueberry flavor 🙂

    Reply
  9. Anna @ shenANNAgans says

    February 25, 2016 at 11:25 pm

    Mug cakes are the only cakes allowed in my house. This one is super beautiful! Cant wait to try. 🙂

    Reply
  10. Shashi at RunninSrilankan says

    February 24, 2016 at 2:01 pm

    You know what Pamela – I’m thinking this mug cake just might be dangerous around me – because I might make and eat and make and eat and repeat till I was out of ingredients – wait – you didn’t want me to do that? 🙂

    Reply
  11. Dannii @ Hungry Healthy Happy says

    February 24, 2016 at 6:07 am

    We are a little bit obsessed with mug cakes. It’s a good way to eat cake, without having loads of cake leftover.

    Reply
  12. Diane says

    February 23, 2016 at 10:58 am

    This sounds like a great idea, I also hate making a cake as then it has to be eaten! Blueberries are not easy to find here but I have masses of dehydrated cherries, guess that would work as well.
    Thanks for your visit, I will be back. Diane

    Reply
  13. Sarah says

    February 23, 2016 at 3:33 am

    Yum! I have all the ingredients already + this is perfect weekend treat food. On my to-make list! 🙂

    Reply
  14. Kelly says

    February 22, 2016 at 11:35 pm

    Mug cakes are the perfect solution when you are craving something sweet 🙂 This one looks SO good! Love the blueberries!

    Reply
  15. Suzanne says

    February 22, 2016 at 5:34 pm

    Cake in a mug is the best invention ever. Looks fabulous.

    Reply
  16. Monica says

    February 22, 2016 at 5:31 pm

    I love a fun back-pocket mug cake! this blueberry sponge is so bright and looks ridiculously moist! Great one!

    Reply
  17. cheri says

    February 22, 2016 at 5:26 pm

    Hi Pamela, get idea to help keep one in-line or to just eat fresh cake. Love this recipe!

    Reply
  18. [email protected]'s Recipes says

    February 22, 2016 at 2:20 pm

    Definitely have to give this mug cake a try!

    Reply
  19. Mary Frances says

    February 22, 2016 at 11:01 am

    2 minutes to make this is delicious mug cake? You are a genius! Love the recipe 🙂

    Reply
  20. Ashley says

    February 22, 2016 at 10:35 am

    I hear you – having a whole cake in the house is so dangerous! This mug cake is so fun! Yay for blueberries!

    Reply

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Hi! I'm Pamela, an artist Mom who shares family recipes. My farm is a 1,000 sq ft apartment in NYC. Let's make dinner together.

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