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This ultra-moist banana bread mug cake is the perfect quick single-serve dessert! Made with simple ingredients, this easy banana mug cake is the best way to use up overripe bananas without turning on the oven or having tons of leftovers. If you’re craving a cozy treat, this microwave banana bread recipe is for you!
Remember how I said that I have a love-hate relationship with loaves back when I shared myย Moist Blueberry Lemon Loaf Cake, well this single serve banana bread mug cake is changing the game for me. Perfect as an afternoon snack or late-night dessert.ย There is something super special about having banana bread in a mug just for yourself. Like, how special would that make you feel!!
Today we are bringing you a crowd favorite comfort food recipe that you can make from start to finish in just a few minutes and with very minimal dishes. I would even go as far as saying that this is better than all those one bowl banana bread recipes.
This is the best single serve banana bread mug cake recipe ever!
Ever since I started trying to perfect โTHE banana bread mug cakeโ I have to admit that I made it more than 8 times. Not because I struggled to make it perfect but because it was so easy to make and tasted so good that I couldnโt stop myself.
I mean can you blame me? I am so weak when faced with a fluffy, packed with nuts and banana flavor, cute little mug cake. I think itโs time for you to hop on the banana bread mug cake addiction so I donโt fee alone!
Table of Contents
- This is the best single serve banana bread mug cake recipe ever!
- How to make a banana bread mug cake in the microwave?
- Frequently asked questions
- More mug cake recipes you will love!
- Easy banana bread mug cake
- The best banana bread mug cake Recipe
- If you enjoyed this microwave banana bread mug cake recipe make sure to pin it for later!
Why Youโll Love This Banana Bread Mug Cake Recipe
- Quick & Easyย – Ready in just 3 minutes from start to finish and made with pantry staple ingredients.
- Moist & Fluffy Textureย – Every bite is soft, fluffy, and packed with banana flavor.
- Minimal Cleanupย – Only one mug and a spoon needed!
- Customizableย – Add nuts, chocolate chips, or even a caramel drizzle.
- Perfect for Overripe Bananas –ย No more wasting bananas!
Ingredients You Need to make this single-serving dessert
Hereโs everything you need to make this banana bread mug cake. Scroll down to the recipe card for the full measurements.
- Butter-ย You will need a little bit of butter then you will need to melt directly in the mug where you will be making your banana mug cake.
- Brown sugarโ The brown sugar will lightly sweeten the mug cake and add more moisture to it as well.
- Egg yolkโ You will need one egg yolk for this mug cake.
- Vanillaโย A little vanilla goes a long way to brighten up your banana mug cake.
- Milkโ The whole milk is used to make the mug cake moist as well.
- Bananaโ Use a very ripe small banana for this recipe.
- Flourโ Regular all-purpose flour works great for this recipe.
- Saltโ I always like adding some salt to my baked goods to balance out the sweetness.
- Baking powderโ The baking powder is the leavening agent used in this recipe.
- Walnutsโย If my banana bread doesnโt have walnuts, I donโt want it! But hey if youโre not a nut in your banana bread kinda person, itโs all good, you can omit
Optional- Add a little cinnamon for a little extra spice.ย
Substitutions & Variations
Donโt have everything on hand? No problem! Here are some easy swaps:
- Use granulated sugar instead of brown sugarย – It will slightly change the flavor but still work.
- Try pecans instead of walnutsย – For a richer, buttery taste.
- Make it chocolateyย – Swap walnuts for chocolate chips.
- Use dairy-free milkย – ย Almond, oat, or soy milk all work great.
How to make a banana bread mug cake in the microwave?
- Melt the butter in a large microwave-safe mug.
- Mix in the brown sugar, egg yolk, vanilla, and milk until smooth.
- Mash the ripe banana and stir it into the wet mixture.
- Add the dry ingredients โ flour, salt, baking powder, and walnuts. Stir until just combined.
- Microwave on high for 60-90 seconds, or until the cake is set.
- Enjoy warm with your favorite toppings to satisfy that sweet tooth!
Frequently asked questions
What Type of Banana Should I Use?
Useย overripe bananasย with plenty of brown spots. Theyโre softer, sweeter, and perfect for baking.
How to Mash Bananas for a Mug Cake?
Simply use aย forkย to mash your banana in a bowl or directly in your mug. If you like some texture, leave a few chunks!
Can I bake a mug cake in the oven?
No, this recipe is specifically designed for the microwave. For a baked banana bread, check out my oven-baked banana bread recipes.
Best Toppings for Banana Mug Cake
Make your mug cake even better with these delicious topping ideas:
- Nutellaย – Because chocolate + banana = perfection!
- Vanilla Ice Creamย – Melts beautifully into the warm cake.
- Caramel Sauceย – Adds an indulgent touch.
- Candied Nutsย – For extra crunch.
- Caramelized Bananasย – Double the banana goodness!
- Maple Syrupย – A drizzle on top of your warm single-serving cake makes all the difference!
Tips & Tricks for the Best Banana Mug Cake
- Use a Ripe Bananaย – The riper, the better! A spotty banana adds more natural sweetness and moisture.
- Mash Wellย – Ensure a smooth texture by mashing your banana thoroughly.
- Donโt Overmixย – Stir just until combined to keep the cake soft and fluffy.
- ย Microwave Time Variesย – Start with 60 seconds and add more in 10-15 second increments if needed.
- Enhance the Flavorย – A pinch of cinnamon, vanilla extract, or a drizzle of honey can add extra depth.
- Fun Mix-insย – Try chocolate chips, chopped nuts, or a spoonful of peanut butter for extra indulgence.
- Moisture Boostย -If the batter looks dry, add a splash of milk or an extra teaspoon of oil.
- Best Served Warmย – Enjoy with a scoop of ice cream, a drizzle of caramel, or a sprinkle of powdered sugar!
More mug cake recipes you will love!
- The best Fudgy 1-minute Brownie Mug Cake
- Easy 5-minute Moist Peanut Butter Mug Cake
- The Softest Sugar Cookie in a Mug ever!
- Easy 60-Second Chocolate Chip Mug Cookie
Easy banana bread mug cake
If you tried and loved this banana bread mug cake recipe, leave aย 5-star ratingย and a comment below! Donโt forget toย follow us on Instagramย for more easy dessert recipes.
The best banana bread mug cake
Equipment
Ingredients
- 1 & 1/2 tbsp butter
- 2 & 1/2 tbsp brown sugar
- 1 yolk
- 1 & 1/2 tbsp milk
- 1 small banana about 95 grams, mashed.
- 4 tbsp flour
- 1 pinch of salt
- 1/2 tsp baking powder
- 1 tbsp walnuts roughly chopped
Instructions
- In a large mug, melt the in the microwave for 15-30 seconds. Add in the brown sugar and the egg yolk and milk, add in the milk and the mashed banana and mix once again.
- Add in the flour, salt, baking powder, and the walnuts and stir just until combiner. Microwave on high for 2 minutes and enjoy your mug cn.
- If your banana mug cake still seems a bit raw bake it for an additional 1o seconds and check it again.
Notes
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.