Indulge your sweet tooth in under five minutes with this decadent Chocolate Mug Brownie recipe! This single-serving dessert is the ultimate solution for late-night cravings or when you need a quick pick-me-up. With rich chocolate flavor, a fudgy texture, and minimal cleanup, this mug brownie is not only delicious but also incredibly easy to whip up in your microwave. Perfect for chocolate lovers, this mug brownie brings a touch of warmth and comfort straight to your hands, making it an irresistible treat anytime.

Why You Will Love This Recipe
You will fall head over heels for this chocolate mug brownie recipe for several reasons! First, the flavor is undeniably rich and satisfying—it’s like having a mini chocolate cake that you can customize to your liking. Second, the ease of cooking is unmatched; you can go from craving to indulging in just a few minutes with no fuss. Plus, this recipe is perfect for those who lead a busy lifestyle or want to avoid baking a whole batch of brownies. With simple ingredients and no need for an oven, this mug brownie aligns perfectly with the modern-day need for quick and tasty desserts.
Tips and Tricks
- Use a larger mug to prevent overflow while microwaving; a 12-ounce mug is ideal.
- Consider adding a splash of vanilla extract for an extra layer of flavor.
- If you want it to be even richer, throw in some chocolate chips or nuts before microwaving.
- For a gooey center, slightly undercook the brownie; the residual heat will continue to cook it as it cools.
- Top with a scoop of ice cream or whipped cream right after cooking for an indulgent dessert experience.
Common Mistakes to Avoid
- Overcooking: Start with 40 seconds and check for doneness. Microwaves vary in power, so adjust accordingly.
- Using the wrong mug size: If your mug is too small, the batter might overflow. Stick to a 12-ounce mug.
- Skipping the baking powder: This is crucial to achieve the right rise and texture. Don’t omit it!
- Not mixing thoroughly: Ensure the wet and dry ingredients are well combined for an even bake.
- Forgetting to let it cool slightly: The brownie will be extremely hot right out of the microwave, so let it sit for a minute before digging in.
Make Ahead Tips
While this mug brownie is best made fresh, you can prep the dry ingredients in advance. Mix the flour, cocoa powder, sugar, and baking powder in a small jar or container, and then store it in a cool, dry place. When you’re ready to indulge, just add your wet ingredients, stir, and microwave. This way, you can enjoy a delicious chocolate treat without any extensive measuring each time.
Recipe Variations
- Add a tablespoon of peanut butter or Nutella to the center before microwaving for a delightful surprise.
- Swap out the all-purpose flour for almond flour for a gluten-free option.
- Use flavored extracts like almond or coconut to give your brownie a unique twist.
- Experiment with spices like cinnamon or chili powder for a warm kick.
- Add a dollop of caramel sauce or a sprinkle of sea salt on top for extra flair.

How to Serve
Serve your chocolate mug brownie warm, straight from the microwave! For a touch of elegance, transfer it to a dessert plate and garnish with a scoop of vanilla ice cream, a drizzle of chocolate sauce, or a dusting of powdered sugar. Fresh berries or a sprig of mint can also add a pop of color, making your dessert visually appealing as well as delicious.
Pairing Suggestions
Pair your mug brownie with a refreshing glass of milk or a rich cup of coffee to complement the deep chocolate flavors. For something a bit more indulgent, a scoop of vanilla ice cream or a latte with a hint of chocolate would enhance the experience. If you’re feeling adventurous, try serving it alongside a dessert wine such as port or a rich stout beer.
How to Store
If you have any leftovers (which is rare!), let the brownie cool completely and then cover it with plastic wrap or transfer it to an airtight container. Store it in the refrigerator for up to 2 days. To reheat, pop it in the microwave for 10-15 seconds until warm. It’s best enjoyed fresh, so try to finish it within that timeframe!
Equipment Needed
- A microwave-safe mug (12-ounce recommended).
- A small mixing bowl or whisk for combining ingredients.
- A spoon for stirring.
- Optional: measuring spoons and cups for precise measurements.
Dietary Adaptations
To make this recipe vegan, substitute the milk with a plant-based option such as almond or oat milk and use a flax egg (1 tablespoon ground flaxseed mixed with 2.5 tablespoons water) instead of an egg. For a nut-free version, ensure your milk and any added ingredients are free from nuts. You can also replace regular sugar with coconut sugar or a sugar alternative to make it healthier.
Seasonal Adaptations
In the summer, consider adding fresh berries like raspberries or strawberries on top for a fruity contrast. During the fall, incorporate pumpkin spice or a bit of cinnamon to give your brownie a seasonal twist. In winter, a sprinkle of crushed peppermint candies can add a festive flair.
Cost Breakdown
The estimated cost for a single chocolate mug brownie is approximately $1.00-$1.50, depending on ingredient quality and where you shop. To save money, consider buying in bulk or substituting expensive ingredients with more affordable options, such as using basic cocoa powder instead of specialty chocolate.
Kitchen Hacks
- If you need to soften butter quickly, cut it into small cubes and microwave it for about 10 seconds.
- Use a whisk with a handle to incorporate air into the batter, making it lighter.
- Clean up easily by using a mug with a wide opening to make mixing simpler and minimize splatter.
Recipe FAQs
1. Can I use a different type of flour?
Yes, you can substitute with almond flour or whole wheat flour, though it may slightly change the texture.
2. What if my brownie is too dry?
This can happen if it’s overcooked. Next time, reduce the cooking time slightly.
3. Can I double the recipe?
It’s best to make one mug brownie at a time to ensure proper cooking, as doubling will require a longer cooking time and might not cook evenly.
Chocolate Mug Brownie

Indulge your sweet tooth in under five minutes with this decadent Chocolate Mug Brownie recipe!
Ingredients
- 4 tablespoons all-purpose flour
- 4 tablespoons granulated sugar
- 2 tablespoons unsweetened cocoa powder
- 1/8 teaspoon baking powder
- A pinch of salt
- 3 tablespoons milk (or a dairy-free alternative)
- 2 tablespoons vegetable oil (or melted butter)
- 1/4 teaspoon vanilla extract (optional)
Instructions
- In a microwave-safe mug, combine the flour, sugar, cocoa powder, baking powder, and salt. Mix well.
- Add the milk, vegetable oil, and vanilla extract (if using) to the dry ingredients. Stir until smooth and well combined.
- Microwave the mug on high for 40-60 seconds, checking for doneness. The brownie should be set but slightly gooey in the center.
- Allow the brownie to cool for a minute before serving. Optionally, top with ice cream or a drizzle of chocolate sauce.
Nutrition Information
Yield
1Serving Size
1Amount Per Serving Calories 616Total Fat 29gSaturated Fat 5gTrans Fat 0gUnsaturated Fat 22gCholesterol 4mgSodium 213mgCarbohydrates 83gFiber 3gSugar 53gProtein 7g
TastyFitnessRecipes.com, occasionally offers nutritional information for recipes contained on this site. This information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although tastyfitnessrecipes.com attempts to provide accurate nutritional information, these figures are only estimates.
Final Thoughts
This chocolate mug brownie recipe is your ticket to a quick and delicious dessert that satisfies chocolate cravings in no time. With its simple ingredients and easy preparation, you can enjoy a delightful treat without the hassle of baking an entire batch. Perfect for those solo nights or when you simply want to treat yourself, this mug brownie is a must-try for any chocolate lover. So grab your favorite mug, and let the indulgence begin!