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–+ servings
Chocolate banana mug cake with a scoop taken out of it.
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5 from 3 votes

3-Ingredient Chocolate Banana Mug Cake (a 5 minute recipe)

You only need 5 minutes to make this 3-ingredient chocolate banana mug cake for a quick and better-for-you treat. With such simple ingredients (we've tested this sooo many times to determine the optimal combination), it's easy to make and perfect for kids! Dan and I have eaten this mug cake no less than 10 times in the last month.
Prep Time3 minutes
Cook Time2 minutes
Total Time5 minutes
Course: Dessert
Cuisine: American
Keyword: 3 ingredient, banana, cake, gluten free, small batch
Servings: 2
Calories: 369kcal
Author: Mika Kinney

Equipment

  • 1 bowl
  • 2 wide mugs

Ingredients

  • 1 ripe banana speckeled with brown spots
  • 6 tablespoon hot cocoa mix see notes for using cocoa powder and to make this dairy free
  • 1 egg medium

Optional

Instructions

  • In a small bowl, mash the banana. Mix in the other two ingredients until combined.
    All ingredients in a glass bowl.
  • Grease two mugs (see notes for using 1 mug) using butter, vegetable oil, or coconut oil. Be sure to grease the bottom, the coners, and the side walls.
  • Seperate the batter evenly into each mug. Cook int he microwave for 75 seconds for each mug. Let cool 2-3 miutes before eating.
    See notes for cooking in the oven.
    A ramekin with cake batter in it.

Video

Notes

Helpful Tips
  • Grease your mugs with oil or butter. This makes it easier for the cake to rise and easier for you to clean the mug.
  • Mix everything in a bowl first and then transfer to the mugs.
  • Use wide mugs and not something that barely fits the cake batter. This gives the cake room to grow.
  • Use a ripe banana for optimal sweetness. The banana should be speckled with brown spots all over. If your banana isn’t that ripe, you may want to add 2 tablespoon of maple syrup or mix in chocolate chips.
  • Trying cocoa powder: I tried cocoa powder in place of hot chocolate mix, and it worked, but it wasn’t nearly as good. If you make it with cocoa powder, you will need to mix in 2 tablespoons of powdered sugar.
To make it all in one mug: Put all the batter into one large mug and microwave for 2 minutes or until the center is just set.
To bake it in the oven: Yes, you can make this mini cake in the oven as long as you use small pans like an oven-safe ramekin. Bake at 350 degrees for 10-15 minutes.
Storage tips: If you have leftovers, these will keep covered in the fridge for up to 3 days.
 

Nutrition

Calories: 369kcal | Carbohydrates: 61g | Protein: 5g | Fat: 16g | Saturated Fat: 10g | Polyunsaturated Fat: 0.5g | Monounsaturated Fat: 1g | Trans Fat: 0.1g | Cholesterol: 82mg | Sodium: 414mg | Potassium: 242mg | Fiber: 5g | Sugar: 34g | Vitamin A: 162IU | Vitamin C: 5mg | Calcium: 60mg | Iron: 2mg