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image of a bite of banana chocolate mug cake on a spoon
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4.79 from 14 ratings

Banana Chocolate Mug Cake

This banana chocolate mug cake comes together in matter of minutes, and is the perfect, easy dessert for one!
Prep Time5 minutes
Cook Time1 minute
Total Time6 minutes
Course: Cakes
Cuisine: American
Servings: 1 Mug Cake
Calories: 274kcal
Author: Chelsey White

Ingredients

Banana Chocolate Mug Cake

  • 3 Tbsp all-purpose flour, spooned & leveled 24g
  • 2 Tbsp packed light brown sugar 25g
  • 1 Tbsp unsweetened cocoa powder, sifted 5g
  • 3/4 tsp baking powder 3g
  • 1/8 tsp fine salt >1g
  • 1 small, ripe banana, mashed - about 1/3 cup mashed 100g
  • 2 Tbsp hot water 30ml
  • 1 Tbsp vegetable oil or melted butter 15ml
  • 1/2 tsp vanilla extract or vanilla bean paste 2ml
  • 1 Tbsp milk or dark chocolate chips 12g

Instructions

  • Whisk together 3 Tbsp flour, 2 Tbsp brown sugar, 1 Tbsp cocoa powder, 3/4 tsp baking powder, and a pinch of salt in a small bowl. Set aside.
  • Add 1/3 cup mashed banana, 2 Tbsp hot water, 1 Tbsp vegetable oil, and 1/2 tsp vanilla to a separate medium-sized bowl. Whisk together until the ingredients are combined and smooth.
  • Add in the dry ingredients and whisk until just combined.
  • Pour into a 12 oz or larger microwave-safe mug and sprinkle 1 Tbsp of chocolate chips over the top of the batter.
  • Heat for 60 seconds then check the doneness by inserting a toothpick into the center of the cake. If it comes out mostly clean with a few moist crumbs (melted chocolate is ok too if you hit a chocolate chip), your mug cake is ready! If the batter is still liquid in the center, heat for an additional 15 seconds, then retest with a toothpick. Repeat until the center of your mug cake is cooked through. My total cook time with this recipe is usually 1 minute and 30 seconds!
  • Let the cake cool for a few minutes (or else you will burn your tongue - trust me!!), then top with your favorite toppings and enjoy warm! Ice cream, whipped cream, fresh banana slices, or even Nutella all work great as a topping.

Video

Notes

Tips for Making the Best Banana Chocolate Mug Cake

  • Make sure you use a large enough mug or glass, and that it is microwave safe (metal-free). As long as your mug has a capacity of 12 oz. or 1 1/2 cups or more, you're good to go.
  • Cook time can vary based on your microwave! Different microwaves have different wattage and can vary from 600-1200 watts. The higher the watts the faster your mug cake will cook. My microwave cooks at 1200 watts.
  • Make sure you use a ripe or overripe banana! Otherwise, it might be hard to mash and properly mix with the other ingredients.
  • Top your mug cake with whipped cream, freshly sliced bananas, and / or chocolate syrup to make it even more delicious.
  • Please see the section above for substitutions and ingredients swaps.

Nutrition

Serving: 1 | Calories: 274kcal | Carbohydrates: 63g | Protein: 5g | Fat: 1g | Sodium: 531mg | Fiber: 3g | Sugar: 29g