These keto mug cakes are so quick and easy to make, they are perfect when you need a sweet fix in a hurry. Choose from keto chocolate, almond berry, cinnamon or peanut butter. Cooked in the microwave, you can enjoy these low carb mug cakes in just 5 minutes.
Why You'll Love This Tasty Treat
Just because you are following a low carb or keto diet doesn't mean you have to miss out on cake. These individual mug cakes are ready to enjoy in just 5 minutes and they are so wonderfully light and fluffy.
These vegetarian keto cakes contain 11g of carbs and are high in protein. They are cooked in the microwave for a quick and easy dessert or snack.
Are These Keto Mug Cakes Gluten-Free?
Yes, these cakes are gluten-free. They are made with almond flour so if you have an intolerance then these are perfect for you.
Ingredients You'll Need
- 1 Egg- The binding agent that holds the mug cake together while also giving it lift and structure. It provides moisture and helps the cake set properly as it cooks in the microwave.
- 1 tablespoon Heavy Whipping Cream- Adds richness and a creamy texture, keeping the mug cake moist and soft rather than dry or crumbly.
- 1/4 teaspoon Almond Extract- Provides a subtle nutty sweetness that enhances the flavor of the almond flour and gives the cake a pleasant aroma.
- 1/3 cup Almond Flour- The main low-carb flour substitute that forms the body of the cake. It provides a soft crumb similar to traditional cake while keeping the recipe gluten-free and keto-friendly.
- 1 tablespoon + 1 teaspoon Swerve- A keto-friendly sweetener that mimics sugar’s sweetness without spiking blood sugar levels. It balances the flavors and gives the cake a dessert-like finish.
- 1/4 teaspoon Ground Cinnamon- Adds warmth and depth of flavor to the base mug cake, giving it a cozy, slightly spiced note.
- 1/2 teaspoon Baking Powder- The leavening agent that helps the mug cake rise quickly in the microwave, creating a light and fluffy texture.
You can then easily add in other ingredients to make a different flavored keto mug cake:
- Chocolate Mug Cake Variation
- 2 teaspoons Cocoa Powder- Introduces rich chocolate flavor and a touch of bitterness that complements the sweetness of the Swerve. It also deepens the color and aroma of the cake.
- Peanut Butter Mug Cake Variation
- 1 tablespoon Peanut Butter (omit cinnamon)- Adds creamy texture, nutty flavor, and extra fat for a rich, satisfying cake. Skipping the cinnamon lets the peanut butter flavor shine through.
- Almond Berry Cake Variation
Omit Cinnamon, add ½ teaspoon Almond Extract, and 6–8 Berries of Choice- The additional almond extract enhances the nutty profile, while the fresh or frozen berries add moisture, tartness, and natural sweetness, creating a lighter, fruitier dessert option.
How To Make Keto Mug Cakes
- In a coffee mug, add egg, heavy whipping cream, and almond extract.
- Beat together egg, heavy whipping cream and almond extract.
- Add in: almond flour and Swerve.
- Pour in: cinnamon, and baking powder.
- Mix well.
- Microwave for 1 minute until the cake has pulled away from the sides, and the top is set but still moist.
Alternatively, you can combine the dry ingredients in a small bowl and add to the egg and cream mixture. Stir well ensuring you have no lumps.
Can You Make These Cakes In An Oven?
If you don't have a microwave, you can easily make these keto mug cakes in the oven. Mix the ingredients together as instructed in a bowl and then pour into oven safe ramekins. Bake in a preheated oven at 350F for 15 to 20 minutes.
Tips and Tricks for Mug Cake Recipes
Making Keto Mug Cakes is one of the quickest and most satisfying ways to enjoy a low-carb dessert, but getting the perfect texture and flavor takes a little know-how. Here are some helpful tips and tricks to ensure your mug cakes turn out light, fluffy, and delicious every time:
- Gently pushing down the keto cake batter helps get an even rise and a better looking mug cake.
- Cleaning around the top of the cup after you have mixed and before you cook also helps a lot.
- This recipe works well with any sized mug, but if you want it to rise to the top of the mug then you need one that holds around 1 cup of liquid.
- If you are making the berry mug cake it is easier to mix in a second bowl and transfer to the mug, the three other variants all mix easily in a mug.
Variations
For three different variations to a traditional vanilla mug cake, check out the recipe card below for easy ingredient additions and omissions.
What To Enjoy With Keto Mug Cake
A Keto Mug Cake is delicious on its own, but pairing it with the right toppings or sides can take this simple dessert to the next level. Whether you prefer something creamy, crunchy, or refreshing, here are some tasty ideas to enjoy alongside your mug cake:
- Low Carb Whipped Cream- Adds a light, airy sweetness that balances the richness of the mug cake perfectly.
- Keto Ice Cream- A scoop of low-carb vanilla, chocolate, or peanut butter ice cream turns your mug cake into a decadent dessert sundae.
- Fresh Berries- Strawberries, raspberries, or blueberries add natural sweetness and a burst of freshness without too many carbs.
How Long Do They Last?
These mug cakes are best eaten right when they are made. After all, they only take a few minutes in the microwave to make, so why make them ahead of time?
The longer you wait to eat them after they're made, the soggier and more deflated they become.
Can You Freeze Them?
For longer storage, you can freeze individual mug cakes (without toppings). Wrap each one in plastic wrap and place them in a freezer-safe bag or container for up to 1 month.
Thaw overnight in the fridge, then warm briefly in the microwave before serving.
More Easy Keto Desserts
- Mocha Mousse
- No Bake Peanut Butter Chocolate Bars
- Salted Caramel Pecan Pralines
- Keto Chocolate Cheesecake Brownies
- Keto Chocolate Pudding
- Blueberry Sour Cream Muffins
These keto mug cakes are so easy to make, just mix the ingredients in a cup, place in the microwave and you have a perfectly risen individual cake in minutes. I just know you are going to love them.
Ingredients
- 1 egg
- 1 Tbsp heavy whipping cream
- 1/4 tsp almond extract
- 1/3 cup almond flour
- 1 tbsp + 1 teaspoon swerve
- 1/4 tsp ground cinnamon
- 1/2 tsp baking powder
Chocolate Mug cake
- 2 teaspoons cocoa
Peanut butter mug cake
- 1 tablespoon peanut butter and omit cinnamon
Almond Berry Cake
- Omit cinnamon add ½ teaspoon almond extract, and 6-8 berries of choice.
Instructions
- In a coffee mug, beat together egg, heavy whipping cream and almond extract. Add in this order: almond flour, Swerve, cinnamon, and baking powder, and mix well. Alternatively, you can combine the dry ingredients in a small bowl and add to the egg and cream mixture. Stir well ensuring you have no lumps.
- Microwave for 1 minute until the cake has pulled away from the sides, and the top is set but still moist.
Watch The Video
- Gently pushing down the cake batter helps get an even rise and a better looking mug cake.
- Cleaning around the top of the cup after you have mixed and before you cook also helps a lot.
- This recipe works well with any sized mug, but if you want it to rise to the top of the mug then you need one that holds around 1 cup of liquid.
- If you are making the berry mug cake it is easier to mix in a second bowl and transfer to the mug, the three other variants all mix easily in a mug.
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Nutrition
Don't forget to check out my other Keto cookbooks.
Keto Instant Pot, Keto Fat Bombs, Sweets, & Treats, and Easy keto in 30 minutes.
Sandi M
Made the berry version using raspberries and a comparable substitute I had on hand instead of Swerve. Love it! Not overpoweringly sweet, simply perfect!
Didi
I made the peanut butter mug cake and sprinkled some chocolate pieces on top and it was delicious! I used stevia sweetener instead and turned out perfect.
Sally
So I followed the recipe except used 1/2C keto yellow cake mix- and no swerve or baking powder. 1 minute in a 1200 W microwave. Came out PERFECTLY... slid onto a plate- moist but not eggy. Hiighly recommend!
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