Chocolate Mug Cakes | Dairy Free Mug Cakes | Gluten Free Mug Cakes | Keto Mug Cakes | Peanut Butter Mug Cakes
Keto Chocolate Peanut Butter Mug Cake
This keto chocolate peanut butter mug cake is the perfect single-serve dessert that’s rich, satisfying, and made in just minutes! This mug cake is the perfect quick-fix for chocolate and peanut butter lovers who want to keep things low-carb. Try it out and satisfy your sweet tooth in minutes!

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Why You’ll Love This Recipe
- Quick & Easy – Ready in just a few minutes.
- Low-Carb & Keto-Friendly – Made without flour or sugar.
- Rich & Chocolatey – Perfectly sweet with a deep cocoa flavor.
- Minimal Cleanup – One mug, one spoon, no mess!

Ingredients

- Egg – Helps bind the ingredients together and provides structure.
- Sweetener – Use your favorite low-carb sweetener like monk fruit or allulose.
- Almond Milk – Keeps the cake moist and light. Coconut milk can be substituted.
- Cocoa Powder – Gives the cake its rich chocolate flavor. Use unsweetened cocoa powder for the best results.
- Vanilla Extract – Enhances the sweetness and depth of flavor.
- Peanut Butter – Adds a creamy, nutty richness. Opt for natural peanut butter with no added sugar.
- Baking Powder – Provides lift, making the cake fluffy and soft.
- Optional Chocolate Chips – For an extra chocolatey boost, use sugar-free chocolate chips or dark chocolate.
How To Make Chocolate Peanut Butter Mug Cake

Mix the wet ingredients together.

Add the dry ingredients and stir.

Sprinkle chocolate chips on top.

Microwave for a quick cake!
Recipe Tips
- Adjust Sweetness: Taste the batter before microwaving and adjust the sweetener if needed.
- Peanut Butter Swirl: Drop in the peanut butter last and gently swirl it for a marbled effect.
- Cooking Time Varies: Start with 60 seconds and add 10-second increments until done.
- Dairy-Free Option: Swap the almond milk with coconut milk if needed.

More Keto Mug Cake Recipes
Almond Flour Chocolate Mug Cake

Keto Chocolate Peanut Butter Mug Cake
This quick and easy low-carb mug cake is rich, chocolatey, and packed with peanut butter goodness! Made with simple ingredients like cocoa powder, almond milk, and natural peanut butter, it’s the perfect keto-friendly dessert for when you need a sweet treat in minutes.
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Ingredients
- 1 large egg
- 1 1/2 tablespoons monk fruit or other sweetener
- 2 tablespoons almond milk
- 1 tablespoon cocoa powder, unsweetened
- 1/2 teaspoon vanilla extract
- 2 tablespoons peanut butter unsweetened
- 1/2 teaspoon baking powder
- 1 teaspoon chocolate chips, sugar-free optional
Instructions
- In a microwave-safe mug, whisk the egg. Stir in the almond milk, vanilla extract and peanut butter until smooth.
- Mix in the cocoa powder and baking powder until fully combined. If using, fold in the chocolate chips.
- Cook on high for 60–90 seconds, or until the cake is set but still slightly soft in the center. Cooking time may vary depending on your microwave.
- Let it cool for a minute before digging in. Optionally, top with a dollop of whipped cream or extra peanut butter!
Notes
Makes 1 serving
Nutrition
Serving: 1servingCalories: 308kcalCarbohydrates: 14gProtein: 15gFat: 24gFiber: 4gNet Carbs: 10g
The information shown is an estimate provided by an online nutrition calculator.
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