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Chocolate Peanut Butter Mug Cake

Another Keto Mug Cake in the Microwave

After figuring out how to make the keto peanut butter bread recipe I knew I wanted to transform that into a cake and it made sense to make a quick and easy microwave mug cake out of it. So I decided to create this chocolate mug cake made with peanut butter. Enjoy!

Cakes of all shapes and sizes

Here on Headbanger’s Kitchen we love our mug cakes. We started out with our chocolate mug cake made from almond flour and then a vanilla mug cake using coconut flour, the list is quite long. So look around and try them out and let me know which one is your favourite.

We have done a whole bunch of cakes here on HK. I have a delicious flourless chocolate cake for choco lovers. My almond flour cake is perfect for birthdays and special occasions. More recently I make a lovely lemon and ricotta tea cake. So we’ve got your sweet tooth covered here on the website.

Nutrition Info (Per serving)

  • Calories: 533
  • Net Carbs: 9g
  • Carbs: 16g
  • Fat: 47g
  • Protein: 21g
  • Fiber: 7g

This recipe makes 1 serving (2 if you have an appetite like mine). Get this recipe on myfitnesspal.

Peanut butter mug cake

Chocolate Peanut Butter Mug Cake

A microwave mug cake made using peanut butter.
4.10 from 11 votes
Prep Time 2 minutes
Cook Time 2 minutes
Total Time 4 minutes
Course Dessert
Cuisine General
Servings 1 serving



  • Mix the peanut butter, coco powder, cocoa butter, egg, whipping cream, baking powder and stevia. Whisk till smooth.
  • Pour into mug
  • Microwave for 1 minute
  • Top with whipped cream
  • Enjoy!
Tried this recipe?Let us know how it was!

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  1. I substituted 1 tblsp cocoa powder with 1 tblsp almond flour for a nuttier less cocoa taste and it was absolutely delicious.

  2. This was absolutely delicious! Dense, moist and very flavorful. However on myfitnesspal it keeps logging it as 16g carb instead of the 9g net carbs which throws off my calculations.

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