10-Minute Keto Chocolate Mug Cake (Instant Pot)

Dessert

March 10, 2026

That late-night chocolate craving just hit, but you don’t want to derail your health goals or spend an hour baking. Enter the ultimate solution: a rich, decadent, and perfectly portioned Keto Chocolate Mug Cake, made effortlessly in your Instant Pot! This recipe delivers a warm, gooey, and deeply satisfying dessert in just 10 minutes from start to finish. The high-pressure steam of the Instant Pot creates an incredibly moist and tender cake that microwaves just can’t replicate. It’s the perfect guilt-free indulgence whenever you need a quick chocolate fix.

Ingredients

• 3 tbsp / 21g almond flour
• 3 tbsp / 45g coconut oil, softened
• 1 tbsp / 7g unsweetened cocoa powder
• 1 tbsp / 15g unsweetened chocolate chips
• ½ tsp / 2g baking powder
• 2 tsp / 8g Swerve (or other granular erythritol sweetener)
• ¼ tsp / 1.25ml vanilla extract

Instructions

1. Directions
2. In a small bowl, combine the almond flour, softened coconut oil, cocoa powder, chocolate chips, baking powder, Swerve, and vanilla extract. Mix with a fork until a smooth, well-incorporated batter forms.
3. Transfer the batter into an 8-ounce oven-safe mug or ramekin. Loosely cover the top with a small piece of aluminum foil to prevent water from dripping onto the cake.
4. Pour one cup of water into the inner pot of your Instant Pot and place the trivet inside. Carefully set the covered mug on top of the trivet.
5. Secure the lid and set the steam release handle to the ‘Sealing’ position. Select the ‘Manual’ or ‘Pressure Cook’ button and set the timer for 5 minutes on high pressure.
6. When the cooking cycle is complete, perform a quick pressure release. Once the float valve drops, carefully open the lid and remove the mug. Allow it to cool for a minute before serving warm.

Nutritional Information

• Per Serving: Calories 464 | Total Fats: 48g | Net Carbs: 9.1g | Protein: 3.3g | Fiber: 2.8g

Pro Tips

• Pro-Tips for the Perfect Mug Cake
• For a gooey, lava-like center, press a few extra chocolate chips or a small square of keto-friendly dark chocolate into the middle of the batter before cooking.
• Don’t overmix the batter! Stir just until the are combined to ensure a tender, fluffy texture rather than a dense one.
• Serve with a dollop of keto-friendly whipped cream or a sprinkle of flaky sea salt to enhance the rich chocolate flavor.
• Ensure your mug is labeled as ‘oven-safe’ to handle the heat and pressure inside the Instant Pot. A wider mug will result in a more evenly cooked cake.

FAQ

Q: Why use an Instant Pot for a mug cake instead of a microwave
A: The Instant Pot uses high-pressure steam to cook the cake, resulting in an incredibly moist and tender texture that microwaves can’t achieve. It prevents the cake from becoming dry or rubbery, which is a common issue with microwaved versions.

Q: Can I use a different sweetener instead of Swerve
A: Yes, you can substitute Swerve with another granular keto-friendly sweetener like a monk fruit and erythritol blend. Use it in a 1:1 ratio for the best results in this low carb mug cake recipe.

Q: Is this keto chocolate mug cake gluten-free
A: Absolutely. This recipe is naturally gluten-free because it uses almond flour instead of traditional wheat flour. To be certain, always check that your cocoa powder and chocolate chips are certified gluten-free.

Q: What kind of mug is safe for this Instant Pot recipe
A: It is crucial to use an 8-ounce mug or ramekin that is specifically labeled as ‘oven-safe’. This ensures it can withstand the high heat and pressure inside the Instant Pot without cracking.

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