Satisfying your cravings with a delectable blueberry muffin in a mug is a breeze. This quick, single-serving delight captures the essence of a blueberry muffin, moist, flavorful, and brimming with fresh blueberries.

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This blueberry mug cake recipe is a delightful combination of freshness and moisture, with its plump blueberries and vanilla cake batter. It's the perfect treat for one.
Having tried countless blueberry mug muffin recipes, I can confidently say that this is the ultimate one-person muffin in a mug recipe.
If you're seeking a treat that's sweet but not overly so, with a touch of tanginess and a light, fluffy texture, give it a try today.
For more microwave mug recipes, be sure to check out my Rice Krispie Treat in a Mug, Peanut Butter Banana Mug Cake, Pancakes in a Mug, Lemon Mug Cake, and Vegan Mug Brownie.
Jump to:
- π Why You'll Love This Recipe
- πΒ Ingredients
- π Substitutions & Variations
- π° Budget-Friendly Tips
- π₯ Instructions for Blueberry Muffin in a Mug
- π©π»βπ³ Expert Tips
- βοΈ Storage, Reheating & Make Ahead
- π₯ Side Dishes or Pairing Ideas
- β Recipe FAQs
- π½οΈ More Recipes You'll Love
- π Recipe
- π¬ Comments
π Why You'll Love This Recipe
- It's cheap. Made for just a few cents, this is a very affordable and frugal recipe perfect for any tight budget (just like our Cake Mix Mug Cakes and Microwave Ice Cream Cone Cupcakes).
- It's fast. You won't need much time to make this recipe, and the steps are simple too! You'll come back to this mug muffin over and over again.
- It's a perfect serving size. If you only want one muffin, why make a dozen or more? This recipe is perfect for a single serving treat, but if you need a few extra muffins, check out my Small Batch Blueberry Muffins.
π Ingredients

All purpose flour. Forms the base and structure of the mug cake.
Fresh blueberries. Fresh or frozen blueberries add bursts of flavor. If you have extras, try Blueberry Bagel Bread Pudding.
Coconut oil. Adds moisture and richness. Butter or shortening can be used instead.
Baking powder. Helps the mug cake rise as it cooks.
See the recipe card below for full ingredients and instructions.
π Substitutions & Variations
Oil swap. Replace coconut oil with melted butter (omit extra salt if using salted butter) or canola oil. Avoid olive oil, as it affects the flavor.
Flavor boost. Add 1 tablespoon cheesecake dry pudding mix for extra richness, or mix in white chocolate chips for added sweetness and texture.
π° Budget-Friendly Tips
Frozen blueberries: Use frozen blueberries instead of fresh since they are often cheaper and work just as well.
Oil swap: Coconut oil can be swapped with melted butter or vegetable oil if that is what you already have.
Seasonal savings: Buy blueberries in season and freeze them to use in mug muffins year round.
π₯ Instructions for Blueberry Muffin in a Mug

Step 1: In a coffee mug, add your flour, baking powder, sugar, and salt.

Step 2: Mix together to combine.

Step 3: Add your coconut oil to a separate container.

Step 4: Melt in the microwave for 30 seconds.

Step 5: Mix in the milk and vanilla.

Step 6: Add the wet ingredients to the dry and mix well to combine.

Step 7: Add in the fresh blueberries.

Step 8: Stir gently to combine.
Step 9: Microwave for 1 minute 30 seconds to 2 minutes until cooked through. I find that 1 min 45 seconds is the sweet spot for my microwave.

π©π»βπ³ Expert Tips
- Wet spot is normal. A slightly wet area in the center after microwaving is expected and means the muffin is cooked properly.
- Don't reheat. Reheating to remove the wet spot can make the muffin rubbery. Let it rest for a few seconds instead, and the spot will disappear.
- Check doneness. Use a fork to pierce the center and confirm the inside is cooked through.
βοΈ Storage, Reheating & Make Ahead
Storage: This blueberry muffin is best enjoyed fresh and is not ideal for storing.
Reheating: If needed, reheat in the microwave for 10 to 15 seconds to warm it back up.
Make Ahead: The dry ingredients can be mixed ahead of time and stored in a small container, then combined with the wet ingredients when ready to cook.
π₯ Side Dishes or Pairing Ideas
This blueberry muffin in a mug pairs well with yogurt, fresh fruit, scrambled eggs, or as a quick breakfast or afternoon snack.
- Strawberry Blueberry ParfaitRecipe $2.97 / Serving $1.49
- Scrambled Eggs with Spinach and TomatoesRecipe $2.25 / Serving $1.13
- Puff Pastry Egg TartsRecipe $4.98 / Serving $0.83
- Strawberry Blueberry Fruit SaladRecipe $3.35 / Serving $0.84
β Recipe FAQs
Yes, you can use nondairy milk in the microwave blueberry muffin. If you want to use almond milk or some other noncow milk then go for it. By using nondairy milk you could make this mug muffin dairy free and vegan-friendly.
Absolutely! This mug muffin recipe would taste incredible with quartered strawberries or raspberries. Add them in place of the blueberries, (or do a mix of berries).
If you wait too long after adding the berries, you'll notice gravity pulling them down in your cup. This is a big reason for adding them as the last step before microwaving the cup so that they can't sink while cooking.

π½οΈ More Recipes You'll Love
- Chocolate Covered Cheesecake StrawberriesRecipe $5.53 / Serving $1.38
- No Bake Apple DonutsRecipe $2.66 / Serving $1.33
- Honey Bee CupcakesRecipe $6.57 / Cupcakes $0.55
- Lemon Mug Cake With Lemon CurdRecipe $0.82
π If you tried this Blueberry Muffin in a Mug, please leave a βοΈ star rating and share your buzz in the π¬ comments below. I'd truly appreciate it!
π Recipe
Blueberry Muffin in a Mug
Equipment
- Coffee Mug (14oz)
Ingredients
- 4 tablespoons all-purpose flour - ($0.33)
- ΒΌ teaspoon baking powder - ($0.01)
- 2 tablespoons granulated sugar - ($0.05)
- β teaspoon salt - ($0.01)
- 2 tablespoons coconut oil - ($0.36)
- 3 tablespoons milk - ($0.04)
- 1 teaspoon vanilla extract - ($0.03)
- 2 tablespoons blueberries (about 15 berries) - ($0.34)
Instructions
- Mix Dry Ingredients: In a microwave safe coffee mug, mix together the flour, baking powder, sugar, and salt until combined.
- Mix Wet Ingredients: In a separate microwave safe container, melt the coconut oil in the microwave for about 30 seconds. Stir in the milk and vanilla extract.
- Combine: Add the wet ingredients to the mug with the dry ingredients and stir until smooth.
- Add Blueberries: Gently fold in the blueberries.
- Microwave: Microwave the mug muffin for 1 minute 30 seconds to 2 minutes, until cooked through. The top may appear slightly wet in the center.
- Serve: Let sit for a few seconds, then enjoy directly from the mug.
Notes
- Doneness Check: A slightly wet spot in the center is normal and will disappear within seconds. Overcooking can cause a rubbery texture.
- Berry Tip: Add blueberries last to help prevent them from sinking during cooking.
- Texture Boost: For a richer flavor and texture, add 1 tablespoon dry cheesecake pudding mix or a few white chocolate chips to the batter.
Nutritional Information
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