This easy microwave banana bread is studded with chunks of chocolate and ready in under 5 minutes.

Serve it warm with a scoop of vanilla ice cream!

Simply Recipes / Annika Panikker

Looking for a no-fuss banana bread recipe with your one overripe banana?

Mug of Banana Bread Chocolate Chunk Mug Cake Topped with a Dollop of Ice Cream and Spoonful of Cake Resting on a Saucer (Mug on the Saucer Next to the Spoon)

Simply Recipes / Annika Panikker

Let this be your go-to dessert!

The cake is fluffy, decadent, and filled with pools of melted chocolate chunks.

I love making this recipe at any moments notice when I am craving something sweet and indulgent.

Mug of Banana Bread Chocolate Chunk Mug Cake Topped with a Dollop of Ice Cream and Spoonful of Cake Resting on a Saucer (Mug on the Saucer Next to the Spoon)

Simply Recipes / Annika Panikker

I have also tripled the batter, divided it into three individual mugs for an impromptu entertaining Sunday brunch.

I have also baked this in a 15-ounce soup mug and the batter comes halfway up the mug.

The cook time would vary depending on your microwave.

Mug of Banana Bread Chocolate Chunk Mug Cake Topped with a Dollop of Ice Cream, and on a Saucer, a Spoonful of Cake

Simply Recipes / Annika Panikker

Mine is a 1000-watt microwave, and it took 1 minute 30 seconds to fully cook the cake.

The top of the cake should be shiny, but not wet.

It shouldve risen and the chocolate chunks on the top should look melted.

Bananas Mashed in a Bowl Using a Fork for Banana Bread Chocolate Chunk Mug Cake Recipe

Simply Recipes / Annika Panikker

Add the egg, melted butter, and vanilla extract, and mix until smooth.

Do not overmix the batterjust double-check no dry pockets of flour are visible.

Then, microwave in 10-second intervals until the cake is cooked through.

Eggs, Melted Butter, and Vanilla Extract Mixed with Mashed Bananas for Microwave Banana Bread Mug Cake Recipe

Simply Recipes / Annika Panikker

The top will be sticky, but not wet, and the cake will rise quite a bit.

I used a 1000-watt microwave.

You may need to adjust the cooking time based on your microwave.

Dry Ingredients (Flour, Baking Powder, and Chocolate Chunks) Added to Bowl of Wet Ingredients for Chocolate Chunk Mug Cake Recipe

Simply Recipes / Annika Panikker

Serve the banana bread while still warm with a scoop of vanilla ice cream on top.

Store leftovers in the fridge, tightly covered with plastic wrap for up to 2 days.

Warm it for 10 seconds in the microwave before serving.

Banana Bread Chocolate Chunk Mug Cake Batter in a Bowl

Simply Recipes / Annika Panikker

Did you love the recipe?

Leave us stars below!

Banana Bread Chocolate Chunk Mug Cake Batter in a Microwave Safe Mug

Simply Recipes / Annika Panikker

Microwaved Banana Bread Chocolate Chunk Mug Cake

Simply Recipes / Annika Panikker

Mug of Banana Bread Chocolate Chunk Mug Cake Topped with a Dollop of Ice Cream on a Saucer With a Spoon Next to a Kitchen Towel

Simply Recipes / Annika Panikker

Illustration of Marie Calendar’s microwave chicken pot pie

Trader Joe’s store front

Browned butter in a bowl

Trader Joe’s vegetable fried rice with kimchi and fried egg

Anyday microwave bowl with edamame

salad dressing in a jar next to microwave

Korean steamed eggs in blue bowl.

microwave creamed spinach in a white bowl

Bowl of Microwave Broccoli with Sesame Dressing with Utensils, Next to a Table Napkin, a Glass of Water, and a Bowl with More Sesame Seeds

Microwave Arroz Verde on a Plate with a Fork and Surrounded by Lime Wheels, a Bowl of Course Salt, and a Table Napkin

Platter of Microwave BBQ Chicken Wings

Microwave Red Curry Poached Salmon Topped with Cilantro and Lime Wedges in a Microwavable Glass Bowl

Microwave Oyakodon (Japanese Chicken and Egg Rice Bowl) in a Microwavable Dish Surrounded by a Small Plate With Cooked Rice and a Small Plate of Kimchi

Microwave Shakshuka in a Circular Pyrex Dish on a Circular Tray Surrounded by Slices of Bread on the Counter, a Small Bowl of Cracked Pepper, and a Glass of Water

Cross-Section of a 3-Layer Microwave Cake

microwave caramel corn in a brown bowl

Mug of Banana Bread Chocolate Chunk Mug Cake Topped with a Dollop of Ice Cream and Spoonful of Cake Resting on Top of the Mug

Microwave Strawberry Jam

Article image

Microwave Fig Jam