There’s something incredibly comforting about a warm, gooey chocolate brownie fresh out of the microwave, especially when it takes just five minutes to whip up! I stumbled upon this delightful single-serving indulgence one evening while looking for a quick remedy to satisfy my sweet tooth. The rich aroma of cocoa filling the kitchen is an instant pick-me-up, and I knew I had to share this recipe with you.
Introducing the “Quick 5-Minute Gooey Chocolate Brownie in a Mug”-your new go-to dessert for those nights when you want something sweet without the fuss of traditional baking. This decadent mug dessert features a fudgy texture that melts in your mouth, making it perfect for busy days or spontaneous cravings. Best of all, it requires simple ingredients you likely already have on hand. So, grab your favorite mug and let's get started on this delightful treat!

Why choose Sinful Gooey Brownie in a Mug?
Quick, Easy: This recipe is a breeze, taking only five minutes from start to finish-perfect for impromptu cravings!
Individual Indulgence: With a single serving, you can enjoy a decadent dessert without the guilt of leftovers.
Mouthwatering Texture: Expect a rich, fudgy brownie that's gooey in the center, hitting all the right notes for chocolate lovers.
Versatile Treat: Feel free to customize your brownie by adding chocolate chips, nuts, or a sprinkle of cinnamon for added flavor.
No Clean-Up Hassle: One mug is all you need for mixing-with no baking dishes to wash up, it's dessert made simple!
Immediate Satisfaction: Enjoy your treat warm from the microwave, making it an instant comfort food classic. Grab your mug and dive into this delightful dessert!
Ingredients for Sinful Gooey Brownie in a Mug
Indulge in this quick and savory treat!
For the Batter
- All-purpose flour - Provides structure and stability. Alternate: Gluten-free flour for a gluten-free version.
- Granulated sugar - Adds sweetness and balances flavors. Note: Coconut sugar can be used for a lower glycemic option.
- Cocoa powder - Contributes rich chocolate flavor. Substitution: Dark cocoa powder for an even deeper chocolate taste.
- Baking powder - Helps the brownie rise slightly for a lighter texture. Omit if using self-rising flour.
- Oil (vegetable/coconut) - Adds moisture and richness. Substitution: Melted butter for a buttery flavor.
- Egg - Binds ingredients together and gives structure. Note: Flax egg (1 tbsp flaxseed meal + 2.5 tbsp water) as a vegan option.
- Chocolate chips (optional) - Enhances chocolate flavor and adds a gooey texture. Alternate: White chocolate or butterscotch chips for variation.
- Vanilla extract - Adds depth of flavor. Omit if desired for a more straightforward taste profile.
How to Make Sinful Gooey Brownie in a Mug
Combine dry ingredients: In a microwavable mug, stir together the all-purpose flour, granulated sugar, cocoa powder, and baking powder until they are fully mixed, ensuring a smooth batter.
Add wet ingredients: Pour in the vegetable (or coconut) oil, crack in the egg, and add the vanilla extract. Mix until the batter is smooth and creamy, with no lumps in sight.
Add chocolate chips: If desired, gently fold in your preferred chocolate chips for an extra gooey treat. The more chocolate, the better!
Microwave the brownie: Place your mug in the microwave and cook on high for 60-90 seconds. Check for doneness; it should look set but still oozy in the center.
Cool and enjoy: Allow the brownie to cool for about a minute before indulging. It will be warm, gooey, and oh-so-satisfying!
Optional: Top with a scoop of ice cream for an indulgent treat.
Exact quantities are listed in the recipe card below.

Expert Tips for Sinful Gooey Brownie in a Mug
- Watch the Time: Microwaves vary in power; start with 60 seconds and check frequently to ensure your brownie stays gooey and doesn't overcook.
- Mix Well: Combine dry ingredients thoroughly to avoid clumps, which can affect the texture of your brownie. Smooth batter leads to the best result!
- Choose the Right Mug: Use a generously-sized mug to prevent the brownie batter from overflowing during cooking. A taller mug works best!
- Add Fun Flavors: Experiment with spices, like a pinch of cinnamon or espresso powder, to elevate your Sinful Gooey Brownie in a Mug to the next level!
- Serve Immediately: This dessert is best enjoyed fresh and warm, so dig in right after it cools for that perfect gooey texture!
Make Ahead Options
These Sinful Gooey Brownies in a Mug are a fantastic option for meal prep enthusiasts! You can mix the dry ingredients-flour, sugar, cocoa powder, and baking powder-up to 24 hours in advance and store them in an airtight container. Additionally, you can whisk together the wet ingredients-oil, egg, and vanilla extract-up to 3 days ahead and refrigerate them in a separate container. When you're ready to enjoy your brownie, simply combine the prepared dry and wet ingredients in your favorite mug, fold in chocolate chips, and microwave as directed. This prep not only saves you time but ensures you'll have warm, gooey chocolate goodness in minutes!
Variations & Substitutions for Sinful Gooey Brownie in a Mug
Feel free to get creative with your brownie mug dessert and make it uniquely yours!
- Gluten-Free: Use gluten-free flour instead of all-purpose to enjoy a delicious brownie without the gluten.
- Vegan Option: Substitute the egg with a flax egg (1 tbsp flaxseed meal + 2.5 tbsp water) for a plant-based treat.
- Lower Sugar: Opt for coconut sugar or a sugar substitute to make a healthier version without sacrificing sweetness.
- Rich Cocoa: Replace regular cocoa powder with dark cocoa powder for an ultra-chocolatey flavor boost.
- Nutty Crunch: Toss in a tablespoon of chopped nuts like walnuts or pecans for a delightful crunch in every bite.
- Spicy Twist: Add a pinch of cayenne pepper or chili powder for a surprisingly delicious heat that complements the chocolate.
- Fruity Addition: Mix in some fresh raspberries or blueberries to introduce fruity freshness alongside the rich chocolate.
- Decadent Swirls: Create a rich flavor contrast by swirling in a tablespoon of creamy peanut butter or Nutella before microwaving.
Experimenting with these variations can take your Sinful Gooey Brownie in a Mug to new tasty heights!
Storage Tips for Sinful Gooey Brownie in a Mug
- Room Temperature: Best enjoyed fresh and warm. If you need to store it, it can be kept at room temperature for up to 1 day, covered to prevent it from drying out.
- Fridge: If you must keep it longer, store in an airtight container in the fridge for up to 3 days. Reheat in the microwave for 10-15 seconds to regain its gooey texture.
- Freezer: Not recommended for freezing due to texture changes. This Sinful Gooey Brownie in a Mug is best enjoyed immediately for optimal flavor and consistency.
- Reheating: To enjoy leftovers, microwave for 15-20 seconds until warm, but be cautious to avoid overcooking as it can dry out.
What to Serve with Sinful Gooey Brownie in a Mug?
There's nothing like pairing this warm chocolate delight with complementary bites to elevate your dessert experience!
- Vanilla Ice Cream: A classic pairing that brings creamy, cold contrast to the warm, gooey brownie. The richness of the ice cream perfectly balances the sweetness.
- Whipped Cream: Light and airy, whipped cream adds a delightful fluffiness, enhancing the chocolate flavor without overwhelming the taste. A dollop on top feels indulgent!
- Fresh Berries: Strawberries or raspberries provide a tart freshness that cuts through the richness of the brownie, creating a beautiful balance of flavors. Plus, they add a pop of color!
- Espresso: The bold flavor of a shot of espresso pairs wonderfully with the chocolatey goodness, offering a delightful coffee-chocolate combo that awakens your taste buds.
- Gourmet Sea Salt: A sprinkle of flaky sea salt on top enhances the sweet and savory dimensions of the brownie, making each bite even more decadent and satisfying.
- Chocolate Sauce: Drizzle some warm chocolate sauce on top for an extra layer of gooeyness. It intensifies the chocolate flavor, making it a treat for true chocoholics.
- Nutty Granola: Serve a scoop of crunchy granola on the side for a textural contrast. The nutty flavors harmonize with the brownie and offer a satisfying crunch with every bite.
- Spiced Chai Tea: A warm cup of spiced chai complements the deep chocolate notes of the brownie and adds warmth, making it a cozy pairing for any evening treat.

Sinful Gooey Brownie in a Mug Recipe FAQs
What is the best way to choose ripe ingredients?
Absolutely! For the best results, ensure your egg is fresh-check for a firm shell and a sell-by date that’s not too far past. As for your oil, use vegetable or coconut oil that's clear and without strong odors. Fresh ingredients will enhance the overall flavor and texture of your Sinful Gooey Brownie in a Mug.
How can I store leftovers of the brownie?
If you have any leftovers (though it's hard to have any!), it's best enjoyed fresh and warm. However, you can store it at room temperature for up to 1 day, covered with plastic wrap or in a zip-top bag to prevent it from drying out. Alternatively, refrigerate it in an airtight container for up to 3 days. Just reheat in the microwave for 10-15 seconds; it should regain its gooey goodness!
Can I freeze the brownie if I make more than one?
Unfortunately, freezing this mug brownie isn't recommended. Freezing can lead to changes in texture, resulting in a less enjoyable experience. This recipe is truly designed for immediate consumption, ensuring you savor the perfect fudgy brownie right out of the microwave.
What if my brownie is overcooked?
If you find your brownie has overcooked, don't worry! While the texture might be a bit firmer, you can still salvage it. Serve it warm with a scoop of ice cream to add moisture back into the dessert or drizzle with chocolate sauce for a delicious fix! In the future, start checking for doneness at the 60-second mark for optimal gooeyness.
Are there any dietary considerations with this recipe?
Yes! This recipe can easily accommodate various dietary needs. For a gluten-free version, simply substitute all-purpose flour with a gluten-free blend. To make it vegan, use a flax egg (1 tbsp flaxseed meal mixed with 2.5 tbsp water) instead of a regular egg. It's a versatile treat that can still satisfy your sweet cravings!

Indulge in a Sinful Gooey Brownie in a Mug in Just Minutes
Ingredients
Equipment
Method
- Combine dry ingredients: In a microwavable mug, stir together the all-purpose flour, granulated sugar, cocoa powder, and baking powder until fully mixed.
- Add wet ingredients: Pour in the vegetable (or coconut) oil, crack in the egg, and add the vanilla extract. Mix until the batter is smooth and creamy.
- Add chocolate chips: Gently fold in your preferred chocolate chips for an extra gooey treat.
- Microwave the brownie: Place your mug in the microwave and cook on high for 60-90 seconds. Check for doneness.
- Cool and enjoy: Allow the brownie to cool for about a minute before indulging.

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