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.
Recipe: $1.17 | Per Serving: $1.17 | Servings: 1

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.
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🍯 Why This Recipe Works
- 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.
🥘 Ingredients
Ingredient Notes:
Flour- You will need some all purpose flour for the gluten structure and base of this recipe.
Fresh blueberries- You will need some fresh or frozen blueberries to scatter throughout the muffin. If you still have blueberries, try our Blueberry Bagel Bread Pudding.
Coconut Oil- To give the cake some necessary fats, use coconut oil (butter or shortening will work fine too).
Baking powder- To help the mug cake rise as it bakes, you'll need some baking powder.
For specific ingredients and measurements, please see the recipe card below.
📖 Variations
Ingredient Substitution: You can substitute melted butter (if salted, omit additional salt) or canola oil for coconut oil in this recipe. Each option alters the flavor slightly, but avoid using olive oil as it significantly changes the taste.
Enhancing Flavor: For a richer taste and texture, consider adding a tablespoon of cheesecake dry pudding mix from a boxed pudding. Additionally, incorporating a few white chocolate chips can further enhance the flavor profile.
🔪 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 1min 30 seconds to 2 minutes until cooked through. I find that 1 min 45 seconds is the sweet spot for my microwave.
🍴 Recipe Tips
- Cooking Tip- Upon completion of the cooking cycle, you may notice a slightly wet area at the top center of the mug muffin. While it may appear undercooked, this "wet spot" is normal and indicates that the cake is cooked just right.
- Don't Reheat- Avoid the temptation to reheat the mug muffin for a longer duration to eliminate the wet spot, as this can result in a rubbery texture. Instead, allow the mug to sit for a few seconds after microwaving, and the wet spot will disappear on its own.
- Doneness Check- To ensure thorough cooking, pierce the muffin with a fork to check the inside. This method provides the most accurate indication of doneness.
💭 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.
❤️ More Delicious Snack Recipes
If you tried this Blueberry Muffin in a Mug, please leave a ⭐️ star rating and share your feedback in the 📝 comments section below. I would truly appreciate it!
📖 Recipe
Blueberry Muffin in a Mug
Equipment
- Coffee Mug (14oz)
Ingredients
- 4 Tablespoons all purpose flour ($0.33)
- ¼ teaspoon baking powder ($0.01)
- 2 Tablespoons granulated sugar ($0.05)
- ⅛ 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
- In your coffee mug mix together the flour, baking powder, sugar, and salt.
- In a separate container, melt the coconut oil in the microwave for about 30 seconds. Mix with the milk and vanilla.
- Add the wet ingredients to the dry and mix well.
- Gently add in the blueberries and stir together.
- Microwave mug for 1 minute 30 seconds to 2 minutes until cooked through and there's a wet spot on the top.
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