If you’re craving something sweet and chocolatey but want it faster than you could order delivery, this Chocolate Mug Cake is your new secret weapon. Rich, decadent, and impossibly easy, it’s a single-serve dessert you can whip up in under 10 minutes—even on your busiest nights. All it takes is a handful of pantry basics and a microwave, and just like magic, you’ll have a fudgy cake that’s soft in the center and ready to eat straight from the mug. Trust me, once you try this Chocolate Mug Cake, you’ll keep coming back for those instant, cozy chocolate fix moments!

Ingredients You’ll Need
Part of the beauty of a Chocolate Mug Cake is its total simplicity—the kind of staple ingredients most of us already have on hand. Each one has a special role here, enhancing the cake’s tender bite, bold flavor, and instant comfort factor.
- All-Purpose Flour: The foundation of the cake, providing structure and a moist crumb.
- Unsweetened Cocoa Powder: Delivers intense chocolate flavor; make sure to use a good-quality cocoa for the richest taste.
- Granulated Sugar: Adds sweetness to perfectly balance the bitterness of the cocoa.
- Baking Powder: Gives your mug cake its signature rise and soft, fluffy texture.
- Salt: Just a pinch! It’s the flavor booster that makes chocolate taste even more chocolatey.
- Milk: Creates a smooth, pourable batter and keeps the cake moist as it cooks.
- Vegetable Oil: Makes everything tender, fudgy, and luscious—much more so than butter in this quick recipe.
- Vanilla Extract: A tiny splash for depth and elevating all the chocolatey notes.
- Chocolate Chips (optional): Stir in for gooey chocolate pockets that melt right in the mug!
How to Make Chocolate Mug Cake
Step 1: Mix the Dry Ingredients
Grab a microwave-safe mug that holds at least 10–12 ounces (trust me, you’ll want extra room) and add the flour, cocoa powder, sugar, baking powder, and salt. Give everything a quick whisk with a fork or small whisk, making sure there are no sneaky pockets of unmixed cocoa lurking at the bottom—the smoother, the better!
Step 2: Add the Wet Ingredients
Pour in the milk, vegetable oil, and vanilla extract right on top of your dry mix. Stir thoroughly until a cohesive, almost glossy batter forms. If you see any streaks of flour, keep mixing; you want the batter as uniform as possible for the ultimate soft crumb.
Step 3: Fold in Chocolate Chips (Optional)
If you’re going all out, sprinkle in those chocolate chips! Gently fold them into the batter so they’re evenly distributed. This little step transforms your Chocolate Mug Cake into molten chocolate paradise with gooey bits nestling throughout every bite.
Step 4: Microwave Your Mug Cake
Place your mug in the center of your microwave and cook on high for 60–90 seconds. Every microwave behaves a little differently, so start with 60 seconds and add an extra 10–20 seconds if needed. The top should look just set, and the cake will pull slightly from the mug’s edges. The center should stay a bit soft for that classic molten feel!
Step 5: Cool and Enjoy
Let your mug cake cool for 1–2 minutes before diving in. This makes it easier to eat, plus the flavors settle in for maximum chocolate enjoyment. The best part? Enjoy straight from the mug with your favorite toppings or just as is—you’ve earned this treat!
How to Serve Chocolate Mug Cake

Garnishes
The fun truly begins once your Chocolate Mug Cake comes out of the microwave. Top it with a generous dollop of whipped cream, a scoop of vanilla ice cream, or a dusting of powdered sugar for bakery-style flair. A sprinkle of extra chocolate chips or even a few fresh berries turns your mug into a pretty, photo-worthy creation.
Side Dishes
While your Chocolate Mug Cake is absolutely perfect solo, it also plays well with a small side of fresh fruit, a mini latte, or even a warm mug of coffee or tea. If you want something extra fun, pair it with a shot of espresso for your own dreamy mocha experience.
Creative Ways to Present
If you’re serving to company (or just feeling fancy!), try making a trio of mini mug cakes in different mugs for a tasting flight. Layer in some caramel sauce or peanut butter before microwaving to add unexpected texture, or serve in colorful mugs to let everyone pick their favorite. You might even want to serve it with a little spoon tied to the handle for that special touch.
Make Ahead and Storage
Storing Leftovers
If you can resist eating the whole Chocolate Mug Cake in one go, cover the mug tightly with plastic wrap and keep it at room temperature for up to 6 hours or in the fridge for up to 2 days. The cake will stay moist, especially if you zap it for a few seconds right before eating.
Freezing
Chocolate Mug Cake can be frozen, though it’s best fresh. Let it cool completely, then remove it from the mug and wrap tightly in plastic wrap, followed by aluminum foil. Freeze for up to 1 month. When you’re ready, let it thaw at room temperature before gently reheating.
Reheating
For the best texture, microwave the leftover mug cake for about 10–15 seconds if it’s refrigerated, or 20–30 seconds from frozen (once thawed). Watch carefully so it doesn’t overcook—the goal is just to warm it through and bring back that soft, melty center.
FAQs
Can I use a different flour, like gluten-free or whole wheat?
Absolutely! Gluten-free all-purpose blends usually work well in this Chocolate Mug Cake. Whole wheat flour will add a slightly nutty taste and denser texture, but it’s definitely doable for a wholesome twist.
Why did my Chocolate Mug Cake turn out dry?
It might have been overcooked. Start checking your cake at the 60-second mark and stop microwaving as soon as the top is set. Remember, microwave strengths can vary a lot, and just a few seconds too many can dry things out.
Can I double the recipe?
While it’s best to enjoy as a single-serving, you can double the ingredients and divide between two mugs for sharing. Avoid cooking two mug cakes in the microwave at once—do one at a time for the most even results.
What are some fun add-ins for variety?
Get creative! Try a swirl of peanut butter or hazelnut spread, a few chopped nuts, a dash of espresso powder, or even a sprinkle of sea salt on top for a flavor upgrade. The mug cake world is your oyster!
Is this mug cake vegan?
As written, it isn’t totally vegan, but you can swap the milk for any non-dairy alternative (like almond or oat), and make sure your chocolate chips are dairy-free. The results are just as decadent and delicious.
Final Thoughts
You don’t need a special occasion for a little chocolate happiness—this Chocolate Mug Cake is proof. It’s the fastest, most satisfying way to treat yourself right at home, no fancy equipment needed. Give it a try, experiment with your favorite toppings, and discover how effortless (and delicious!) dessert-making can be.
Print
Chocolate Mug Cake Recipe
- Total Time: 6 minutes
- Yield: 1 serving 1x
- Diet: Vegetarian
Description
Indulge in a rich and decadent single-serve dessert with this easy Chocolate Mug Cake recipe that’s ready in minutes. Perfect for satisfying sudden sweet cravings!
Ingredients
Dry Ingredients:
- 1/4 cup all-purpose flour
- 2 tablespoons unsweetened cocoa powder
- 2 tablespoons granulated sugar
- 1/4 teaspoon baking powder
- pinch of salt
Wet Ingredients:
- 3 tablespoons milk
- 2 tablespoons vegetable oil
- 1/4 teaspoon vanilla extract
- 1 tablespoon chocolate chips (optional)
Instructions
- Mix Dry Ingredients: In a microwave-safe mug, combine flour, cocoa powder, sugar, baking powder, and salt.
- Add Wet Ingredients: Pour in milk, oil, and vanilla; mix until smooth.
- Optional: Fold in chocolate chips.
- Microwave: Cook on high for 60-90 seconds until set but soft in the center.
- Cool & Enjoy: Let it cool for a minute or two before savoring straight from the mug.
Notes
- Microwave times may vary, adjust for best results.
- For a fudgy texture, avoid overcooking.
- Top with whipped cream, ice cream, or powdered sugar if desired.
- Prep Time: 5 minutes
- Cook Time: 1 minute
- Category: Dessert
- Method: Microwave
- Cuisine: American
Nutrition
- Serving Size: 1 mug cake
- Calories: 320
- Sugar: 18g
- Sodium: 140mg
- Fat: 18g
- Saturated Fat: 4g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 38g
- Fiber: 3g
- Protein: 5g
- Cholesterol: 0mg