Microwave Chocolate Peanut Butter Mug Cake

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This Microwave Chocolate Peanut Butter Cake is made with natural ingredients and ready in less than 5 minutes.

407 CAL 49g CARBS 23g FAT 12g PROTEIN
1 Comment

A Microwave Chocolate Peanut Butter made with ingredients you probably already have at home for a healthy, delicious dessert that is ready in less than five minutes.

When dessert cravings hit, I've got you covered with this amazing microwave chocolate and peanut butter cake. It is made with just 4 ingredients and you can have a warm, freshly "baked" chocolate cake in less than five minutes.

It's the perfect healthy way to satisfy your sugar craving, and use only natural sugar from bananas.;

I am sure many of you have heard of the 3-2-1 cakes that use a combination of cake mix and water to create a simple microwave cake that is ready in one minute in the microwave. The only problem? Cake mix can contain some pretty funky ingredients and lots of things I can't pronounce. Plus I have found that many of them contain tons of sugar, something I am trying to limit these days.

This homemade version uses more natural ingredients. You can always substitute peanut butter for peanut butter powder if you like. I also sometimes throw in a mashed banana for extra sweetness and moisture.

Looking for a healthier chocolate cake? Try this delicious healthy chocolate cake.

Chocolate mug cake with peanut butter, banana, and chocolate chips.

Tips for this Chocolate Peanut Butter Mug Cake

  • Make sure to spray the mug with cooking spray before making this. It will stick and be really hard to clean if you skip this step.
  • If you want to use powdered peanut butter, you could swap in PB2 or another powdered peanut butter.
  • If you don't like the flavor of bananas, you could make this with applesauce, mashed butternut squash, or sweet potato. However you will need to add some sweetener.
  • Don't be afraid of mix-ins! Try adding chocolate chips, chopped nuts, dried fruit, or fresh fruit.
  • The first few times you make this recipe, you will want to keep a close eye on the microwave. Microwaves vary greatly and some microwaves may cook much faster than others.
  • If you want to add some extra nutritional value, consider adding a teaspoon of chia seeds or flaxseeds.
The Recipe
Microwave chocolate peanut butter cake with banana, chocolate chips, and whipped cream in a ramekin.

Microwave Chocolate Peanut Butter Mug Cake

407 CAL 49g CARBS 23g FAT 12g PROTEIN
1 Comment
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  • 1 banana (very ripe)
  • 2 tbsp peanut butter (or almond butter)
  • 2 tbsp unsweetened cocoa powder
  • 2 tbsp chocolate chips

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Spray a ramekin or microwave-safe mug with cooking spray. In a small bowl, mix together all the ingredients, except the chocolate chips until well combined. Fold in chocolate chips, saving a few for the top of the cake.


Pour into the ramekin and add chocolate chips on top.


Microwave for 60-90 seconds until a toothpick comes out clean. Serve with fresh fruit and/or whipped cream.

Nutritional Facts
Serving Size: 1 cake
Amount Per Serving
Calories 407
Calories from Fat 219
% Daily Value *
Total Fat 23g
Saturated Fat 8g
Monounsaturated Fat 0g
Polyunsaturated Fat 0g
Cholesterol 0mg
Sodium 10mg
Total Carbohydrate 49g
Dietary Fiber 10g
Sugars 27g
Protein 12g

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Nutritional Values provided are estimates only and may vary based on the preparation method.

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About the author Meet Kristen McCaffrey
Hi, I’m the cookbook author, recipe developer, and food enthusiast behind Slender Kitchen. I am obsessed with making healthy food that is easy to prepare and absolutely delicious. Meal planning is my secret weapon and I hope I can make meal time easier for you with our tried and tested recipes and foolproof meal plans. Learn More
1 Comment
On Microwave Chocolate Peanut Butter Mug Cake
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December 15, 2023 - 12:53
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