If you’re craving a sweet treat in just minutes, this Blueberry Mug Cake will become your new go-to! Light, fluffy, bursting with juicy blueberries, and a breeze to make, it’s the perfect solution for when you want dessert, but don’t want to make a whole batch. Grab your favorite mug and let’s whip up magic!
Why You’ll Love This Recipe
- Ready in Minutes: All it takes is a single mug and less than 5 minutes from start to finish—dessert perfection in a flash!
- Soft and Fluffy: The Blueberry Mug Cake bakes up oh-so-tender and light, providing bakery-style texture without the oven.
- Fresh Blueberries in Every Bite: Sweet blueberries burst with bright, juicy flavor, making this mug cake feel extra special.
- Perfectly Portion-Controlled: This single-serve treat satisfies those cravings without any leftovers to tempt you tomorrow.
Ingredients You’ll Need
You won’t believe how such a short list of everyday ingredients can deliver so much joy! Each one brings a little something to the table—creating fluffy crumb, rich flavor, and colorful bursts of blueberry in your mug cake.
- All-purpose flour: The backbone of your mug cake, providing structure for that tender, cake-like crumb.
- Sugar: Just enough to sweeten the batter and highlight the natural juices of those blueberries.
- Baking powder: The secret to that lofty rise and soft, airy cake texture.
- Salt: A pinch livens up every ingredient, making them sing together perfectly.
- Milk: Adds moisture, pulling everything into a smooth, spoonable batter—dairy or non-dairy both work great!
- Butter (softened): For richness and softness—make sure it’s room temp for easy mixing.
- Vanilla extract: Just a splash makes every bite taste bakery-fresh and cozy.
- Fresh blueberries: The star of the show! They add juicy pops of sweetness and a lovely purple swirl.
Variations
One of my favorite things about mug cakes is how easy they are to personalize! Whether you’re out of something or just want to experiment, the Blueberry Mug Cake is wonderfully adaptable.
- Lemon Zest Twist: Add a pinch of fresh lemon zest to the batter for a zingy flavor that goes beautifully with blueberries.
- Dairy-Free Version: Substitute plant-based milk and vegan butter for a delicious dairy-free treat—still soft, still fluffy!
- Chocolate Chip Upgrade: Sprinkle in a few white or dark chocolate chips to take your mug cake to the next level of indulgence.
- Gluten-Free Swap: Use your favorite gluten-free all-purpose flour blend so everyone can dig in (just check if it has xanthan gum to help hold things together).
How to Make Blueberry Mug Cake
Step 1: Mix the Batter
Grab your favorite microwave-safe mug (about 12–14 oz is perfect) and add the flour, sugar, baking powder, and salt. Stir to combine, then pour in the milk, softened butter, and vanilla extract. Mix everything gently until you have a smooth, lump-free batter—it’s okay if it still looks a little thick!
Step 2: Add the Blueberries
Carefully fold in the fresh blueberries with a spoon. Try to keep them whole so they’ll burst gloriously as your mug cake cooks—adding not only sweetness but also those signature pops of purple-blue.
Step 3: Microwave & Check
Pop the mug into the microwave and cook for 1 minute. Check to see if the top looks set and has a cake-like bounce; if it’s still a bit wet or gooey, microwave for another 10–20 seconds (timing can vary by microwave). It should be fluffy and just pulling away from the sides.
Step 4: Cool Slightly & Enjoy
Let your Blueberry Mug Cake cool for a minute—tough, I know, but it helps the crumb firm up and avoids burning your mouth on those hot blueberries! Then grab your spoon and dig right in.
Pro Tips for Making Blueberry Mug Cake
- Room Temperature Butter: Softened butter melts in much more evenly—straight-from-the-fridge butter can leave little pockets.
- Don’t Overmix: Stirring the batter just until combined keeps your Blueberry Mug Cake fluffy, not dense.
- Check Your Microwave Power: Microwaves vary! If your cake isn’t done in a minute, add 10-second bursts until it springs back lightly.
- Gently Fold in Berries: Avoid smashing your blueberries so they’ll stay juicy and whole, creating gorgeous bursts in every bite.
How to Serve Blueberry Mug Cake
Garnishes
For a bakery-worthy finish, I love topping my mug cake with a dollop of whipped cream or a little scoop of vanilla ice cream. A sprinkle of powdered sugar or a few extra fresh blueberries on top adds bright, inviting color and even more flavor.
Side Dishes
Honestly, Blueberry Mug Cake is delicious all on its own, but if you’re making it part of a brunch or snack spread, pair it with a hot cup of coffee or a glass of cold milk. For a dreamy treat, enjoy alongside a warm bowl of lemon curd or Greek yogurt for creamy tang.
Creative Ways to Present
Serve your mug cake in a clear glass mug to show off those gorgeous blueberry swirls. Or make a “cake flight” with a few mugs and different toppings—let everyone customize their own! For special occasions, ribbon a strip of parchment around the mug and tie with twine for an adorable homemade dessert gift.
Make Ahead and Storage
Storing Leftovers
If you find yourself with leftover Blueberry Mug Cake, just cover the mug with plastic wrap or foil and refrigerate. It’s best enjoyed fresh, but will keep well for a day, so you can savor every last bite a little later!
Freezing
While mug cakes are designed to be enjoyed right away, you can freeze leftover cake (removed from the mug) tightly wrapped in plastic. Thaw overnight in the refrigerator before reheating for the best texture—just note, some softness may be lost compared to the original.
Reheating
To reheat, place the mug cake back in your microwave and warm in 10–15 second bursts—just until heated through. Be careful not to over-microwave, as that can toughen the texture and dry out those lovely blueberries.
FAQs
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Can I use frozen blueberries in my Blueberry Mug Cake?
Yes, you can! Just use them straight from the freezer and add them in as you would fresh. They may add a little more moisture during baking, and the color might bleed more, but your cake will be just as delicious.
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Why did my mug cake turn out gummy or dense?
This usually happens if the batter is overmixed or microwaved for too long. Stir just until the flour is incorporated and keep an eye on the cake as it cooks—microwaves can vary, so it may need a little less or more time in yours.
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What if I don’t have butter—can I use oil?
Absolutely! Melted coconut oil or a mild vegetable oil can be used in place of butter in this Blueberry Mug Cake. The cake will still be moist and tender, though you may miss out on a bit of that classic buttery flavor.
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Can I double this recipe for two servings?
You sure can, but make them in separate mugs for best results—doubling everything in one mug often leads to uneven cooking. This way, everyone gets a perfectly fluffy Blueberry Mug Cake of their own!
Final Thoughts
Dessert doesn’t have to be fussy or time-consuming—sometimes all you need is a mug, a handful of ingredients, and five minutes! I hope this Blueberry Mug Cake brings a little sweetness and joy to your day. Go ahead, treat yourself and let every warm, blueberry-studded bite remind you how easy homemade comfort can be.
Print
Blueberry Mug Cake Recipe
- Prep Time: 2 minutes
- Cook Time: 1 minute
- Total Time: 3 minutes
- Yield: 1 serving 1x
- Category: Dessert
- Method: Microwave
- Cuisine: American
- Diet: Vegetarian
Description
Indulge in a delicious single-serving Blueberry Mug Cake that is quick and easy to make. This moist and flavorful cake bursting with blueberries is the perfect sweet treat for one.
Ingredients
Dry Ingredients:
- 1/4 cup all-purpose flour
- 1 tablespoon sugar
- 1/4 teaspoon baking powder
- 1/4 teaspoon salt
Wet Ingredients:
- 3 tablespoons milk
- 1 tablespoon butter, softened
- 1/4 teaspoon vanilla extract
- 3 tablespoons blueberries
Instructions
- Mix dry and wet ingredients: In a mug or small bowl, combine flour, sugar, baking powder, salt, milk, butter, and vanilla. Stir until well mixed.
- Add blueberries: Gently fold blueberries into the batter using a spoon, being careful not to crush them.
- Microwave: Place the mug in the microwave and heat for 1 minute. Check for a cake-like texture; if needed, microwave for an additional 10 seconds. The cake should take about 60-90 seconds in total.
- Cool and enjoy: Let the mug cake cool for 1 minute before indulging in this delightful treat straight from the mug. Enjoy!
Nutrition
- Serving Size: 1 mug cake
- Calories: 238 kcal
- Sugar: 12g
- Sodium: 276mg
- Fat: 9g
- Saturated Fat: 5g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 22mg
