
Chocolate mug cake banana is the ultimate quick fix when you’re craving something warm, sweet, and homemade. With just one ripe banana, cocoa powder, and a few pantry staples, this single-serve dessert comes together in minutes—no oven required. It’s moist, rich, and made right in the microwave, perfect for busy moms or beginner bakers. In this post, I’ll share my story behind this comforting mug cake, easy microwave tips, and flavor-boosting tricks to make every bite feel special. If you’ve got a banana and a chocolate craving, this chocolate mug cake banana is exactly what you need.
Table of Contents
My Story Behind This Chocolate Mug Cake Banana
The Recipe That Reminded Me of Home
I didn’t grow up with fancy desserts—just sweet, simple things that made life feel warmer. One evening after a long day juggling work and my toddler, I spotted a lonely overripe banana on the counter. Too soft for snacking, perfect for baking. I just didn’t have the time—or the energy—to bake an entire cake from scratch. That’s when the idea of a chocolate mug cake banana hit me. Just one mug, one banana, and a craving I couldn’t ignore.
While I was mashing the banana, a memory came rushing back—the very first time I used banana in a cake. It didn’t go smoothly at all. But with experience, I’ve realized that baking isn’t about perfection—it’s about creating something that feels warm and comforting. This chocolate mug cake banana brought back memories of my mom slicing bananas over pan dulce and warming tortillas on the stove. Simple, sweet, and made with love.
Now, this is my go-to recipe for those chaotic days that still deserve dessert. One banana, one mug, one moment of peace. It’s fast, foolproof, and each spoonful wraps you in cozy, homemade comfort.
If you love mug desserts like this, you might also want to try my Chocolate Peanut Butter Mug Cake or my Chocolate Mug Cake Protein—both microwave-ready and full of flavor.
Why Chocolate and Banana Are a Perfect Pair
There’s something magical about the way banana and chocolate work together. The sweetness of ripe banana brings out the richness in dark chocolate, creating a balance that’s neither too sugary nor too bitter. In this chocolate mug cake banana, the banana adds moisture and tenderness, while chocolate chips melt into gooey little surprises.
It’s a smart and delicious way to give new life to overripe bananas instead of tossing them out. The natural sugars enhance the cake’s texture and flavor without needing heavy amounts of sweetener. And because this recipe is designed for the microwave, it’s done in under 2 minutes—no oven, no hassle.
This pairing works just as beautifully in other desserts too. My Air-Fried Cinnamon Banana Chips are a crunchy, spiced contrast to the gooey richness of this cake. Or if you’re in the mood for something creamy and indulgent, try Mug Flan in the Microwave next time.
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Chocolate Mug Cake Banana
- Total Time: 6.5 minutes
- Yield: 1 mug cake 1x
- Diet: Vegetarian
Description
Quick and gooey chocolate mug cake banana recipe made with simple pantry staples. This single-serve dessert is soft, rich, and ready in under 2 minutes.
Ingredients
3 Tbsp all-purpose flour
2 Tbsp packed light brown sugar
1 Tbsp unsweetened cocoa powder
3/4 tsp baking powder
Pinch of fine salt
1 small ripe banana, mashed (about 1/3 cup)
2 Tbsp hot water
1 Tbsp vegetable oil or melted butter
1/2 tsp vanilla extract
1 Tbsp chocolate chips (dark or semi-sweet)
Instructions
1. Whisk flour, sugar, cocoa powder, baking powder, and salt in a small bowl.
2. In another bowl, mash banana. Add water, oil, and vanilla. Mix well.
3. Combine dry and wet ingredients just until smooth.
4. Pour batter into a 12 oz microwave-safe mug. Sprinkle chocolate chips on top.
5. Microwave for 60 seconds. Check doneness with a toothpick. If needed, microwave in 15-second intervals (up to 90 seconds total).
6. Let cool for 1–2 minutes. Top with whipped cream, banana slices, or chocolate syrup.
Notes
Microwave wattages vary; adjust cook time accordingly.
Do not overmix the batter to keep the cake soft.
Use a mug at least 12 oz to avoid overflow.
Best eaten warm right after cooking.
- Prep Time: 5 minutes
- Cook Time: 1.5 minutes
- Category: Microwave Desserts
- Method: Microwave
- Cuisine: American-Mexican Fusion
Nutrition
- Serving Size: 1 mug cake
- Calories: 274
- Sugar: 29g
- Sodium: 531mg
- Fat: 1g
- Saturated Fat: 0.5g
- Unsaturated Fat: 0.5g
- Trans Fat: 0g
- Carbohydrates: 63g
- Fiber: 3g
- Protein: 5g
- Cholesterol: 0mg
How to Make Chocolate mug cake banana in the Microwave
Ingredients You’ll Need (and Smart Swaps)
To make this chocolate mug cake banana recipe, you only need basic pantry staples and one very ripe banana. Here’s everything you’ll need:
Dry Ingredients:
- 3 tablespoons all-purpose flour
- 2 tablespoons packed light brown sugar
- 1 tablespoon unsweetened cocoa powder
- ¾ teaspoon baking powder
- Pinch of salt
Wet Ingredients:
- 1 small ripe banana, mashed (about 1/3 cup)
- 2 tablespoons hot water
- 1 tablespoon vegetable oil (or melted butter)
- ½ teaspoon vanilla extract
- 1 tablespoon chocolate chips (semi-sweet or dark)
Smart Substitutions:
- Use dark brown sugar or granulated sugar if that’s what you have.
- Gluten-free flour blends work well if you’re avoiding wheat.
- Coconut oil or canola oil can replace vegetable oil.
- Use dairy-free chocolate chips if you’re keeping it vegan.
This recipe is flexible enough to make it your own. For more banana-focused snacks, I also love these Air-Fried Banana Chips and the Air-Fried Cinnamon Banana Chips—great uses for leftover bananas!

Microwave Steps for the Perfect Mug Cake Texture
The beauty of this dessert is how fast it comes together—just 6 minutes total!
- Mix dry ingredients.
In a small bowl, whisk together flour, sugar, cocoa powder, baking powder, and salt. - Combine wet ingredients.
In a medium bowl, mash the banana. Add hot water, oil, and vanilla. Whisk until smooth. - Make the batter.
Add dry ingredients to the wet mix and stir just until combined. Don’t overmix. - Transfer to mug.
Pour batter into a 12-oz microwave-safe mug. Top with chocolate chips. - Microwave.
Start with 60 seconds. Check with a toothpick—if it’s still gooey in the center, microwave in 15-second intervals (usually up to 90 seconds total). - Cool and top.
Let it cool for 1–2 minutes. Top with whipped cream, banana slices, or even a spoonful of Nutella.
Microwaves vary—mine cooks at 1200 watts. Yours might be different, so always check doneness. If you love quick microwave desserts like this, you’ll also enjoy my Microwave Flan Pudding for a silky, rich alternative.

Tips for Success & Flavor Customizations
Microwave Chocolate Mug Cake Banana Success Tips (No Dry Sponge!)
Creating a chocolate mug cake banana is fast and easy, but achieving the perfect texture is what truly makes it shine. Here are my best tips to help you get it perfectly gooey, soft, and satisfying every single time.
- Use a ripe banana. It should have brown spots and be soft enough to mash with a fork. Unripe bananas won’t blend smoothly or sweeten the cake properly.
- Don’t overmix. Mix only until the wet and dry ingredients come together—don’t overwork the batter.
- Use a 12-oz microwave-safe mug. A smaller cup may spill over as the cake rises. Bonus points if there’s room for whipped cream!
- Microwave in bursts. Start with 60 seconds. If it’s still raw in the center, microwave in 15-second intervals. Overcooking makes it rubbery.
- Let it sit. The cake keeps baking a little even after it’s been removed from the heat as it cools down. Don’t eat it right away unless you want a burnt tongue (I’ve learned the hard way).
Want to try a protein-packed version next? My Protein Mug Cake Chocolate gives you a healthier spin without sacrificing the indulgent feel.

Fun Customizations for Your chocolate mug cake banana
This recipe is a great base, but here’s how you can jazz it up:
- Add spices: A pinch of cinnamon or nutmeg adds warmth and depth.
- Swirl in peanut butter or Nutella: Use a spoon to gently swirl a tablespoon through the batter before microwaving.
- Top it your way: Add crushed walnuts, caramel drizzle, or even a scoop of vanilla ice cream.
- Go extra chocolaty: Mix in extra chocolate chips or use a mix of milk and dark chocolate.
Want something with a different base but the same simplicity? Try the Mug Cake Chocolate Chip Cookie. It’s buttery, sweet, and comes together in minutes just like this one.
Conclusion
This chocolate mug cake banana has all the qualities I crave in a sweet treat—fast to make, warm and comforting, and crafted entirely from ingredients I usually have on hand. It’s perfect when you’re short on time but still want something warm and chocolatey to lift your spirits. Whether you’re a busy mom juggling it all, a student racing between classes, or just craving something sweet after a long day, this dessert is made for you.
Want more comfort-in-a-cup recipes? Try the Gansito Cheesecake for that nostalgic, fruity-chocolate vibe or the Lemon Sopapilla Cheesecake for a creamy citrus twist.
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Can I make a mug cake with bananas?
Absolutely. In fact, ripe bananas are one of the best additions to a mug cake. They contribute a gentle sweetness, help retain moisture, and create a tender, fluffy texture. Plus, they help bind the ingredients together without needing an egg. This chocolate mug cake banana recipe is a great example of how one overripe banana can turn into a rich, comforting dessert in just minutes.
Is it okay to mix banana and chocolate?
Yes, and it’s more than okay—it’s delicious. The natural sweetness of bananas balances beautifully with the bitterness of cocoa or richness of dark chocolate. Whether in a quick mug cake or in larger bakes like Paleo Mexican Brownies, this combo creates deep flavor with minimal effort.
How to make banana chocolate cake in the microwave?
It’s simple. Mash a ripe banana, mix with cocoa powder, flour, sugar, and a bit of oil. Microwave the batter in a large mug for 60 to 90 seconds until set. Use a toothpick to check doneness. If you’re short on time but still want something special, this chocolate mug cake banana recipe is a microwave win.
Can I put bananas in a chocolate cake mix?
Yes, you can! Bananas add moisture and flavor to cake mixes, and they’re great as an egg substitute too. Just remember that adding banana will slightly change the cake’s texture—expect a softer, more moist crumb. For inspiration, check out Ferrero Rocher Tres Leches if you’re feeling bold and want to layer flavor with chocolate.