Keto Cinnamon Roll Mug Cake: A Quick and Delicious Low-Carb Treat
Craving a warm, comforting cinnamon roll but sticking to a keto diet? This Keto Cinnamon Roll Mug Cake is your perfect solution!
It brings all the flavors of a cinnamon roll into a quick, single-serving mug cake that’s low-carb and sugar-free.
With just a few ingredients, you can enjoy a delicious dessert in minutes. In this guide, we’ll walk you through the steps to make this easy, indulgent treat.

Prep Time
Prep Time | Cook Time | Total Time | Course | Cuisine | Servings |
---|---|---|---|---|---|
5 minutes | 1 minute | 6 minutes | Dessert | Keto | 1-2 |
Ingredients List
Here are the ingredients you need to make this keto cinnamon roll mug cake.
We’ve also included alternatives if you’re looking for options based on what’s available in your kitchen.
Ingredients | Quantity for 1 Serving | Quantity for 2 Servings | Alternatives |
---|---|---|---|
Almond flour | 3 tbsp | 6 tbsp | Coconut flour |
Baking powder | 1/4 tsp | 1/2 tsp | Sodium bicarbonate (baking soda) |
Ground cinnamon | 1 tsp | 2 tsp | Pumpkin pie spice |
Egg | 1 | 2 | Flaxseed egg substitute (1 tbsp flaxseed meal + 3 tbsp water) |
Butter (melted) | 1 tbsp | 2 tbsp | Coconut oil |
Erythritol (sweetener) | 1 tbsp | 2 tbsp | Stevia, monk fruit sweetener |
Cooking Instruments Needed
Instrument | Purpose | Alternative |
---|---|---|
Microwave-safe mug | For mixing and baking | Any microwave-safe bowl |
Spoon or whisk | Mixing ingredients | Electric mixer |
Measuring spoons | For accurate measurements | Any standard measuring tool |
How to Make
Making this keto cinnamon roll mug cake is a breeze! Follow these easy steps, and you’ll have a warm, fluffy mug cake in no time.
Step 1: Mix the Dry Ingredients
In a microwave-safe mug, combine the dry ingredients: start with 3 tablespoons of almond flour, 1/4 teaspoon of baking powder, and 1 teaspoon of ground cinnamon.
Stir them together thoroughly until they are evenly mixed. This gives your mug cake that signature cinnamon roll flavor, while the almond flour ensures a soft, light texture.
Step 2: Add Wet Ingredients
Now, add the wet ingredients. Crack 1 egg into the mug and add 1 tablespoon of melted butter. Stir until the batter is smooth and free of lumps.
The butter will contribute to the rich flavor, and the egg will provide structure, helping the mug cake rise and maintain a moist texture.
Step 3: Sweeten the Mixture
To add sweetness, mix in 1 tablespoon of erythritol (or your preferred keto-friendly sweetener). Stir until the sweetener is well-distributed throughout the batter. If you prefer a sweeter cake, you can add a little more sweetener according to your taste.
Step 4: Microwave the Mug Cake
Place the mug in the microwave and cook for 1 minute on high. If your microwave has lower wattage, you may need to cook it for an additional 10-20 seconds.
The cake should rise and firm up but still remain moist in the middle.
Step 5: Top It Off
Let the mug cake cool for a minute. For an extra cinnamon roll experience, drizzle 1 tablespoon of melted butter on top of the cake.
For a final touch, you can sprinkle additional ground cinnamon or even a pinch of sweetener to make the top even more indulgent.
Serving and Decoration Tips
- Whipped Cream: Top your mug cake with keto-friendly whipped cream for added richness and texture.
- Sugar-Free Icing: Create a sugar-free icing by mixing powdered erythritol with heavy cream and a touch of vanilla extract. Drizzle this over the cake for a sweet, creamy finish.
- Fresh Berries: Add a few fresh raspberries or blueberries on top for a touch of tartness that balances the sweetness of the cake.
Variations to Try
Feel free to get creative with your keto cinnamon roll mug cake by trying some of these fun variations.
Cream Cheese Filling
For a more traditional cinnamon roll flavor, you can add a sweetened cream cheese filling to your mug cake. Mix 2 tablespoons of softened cream cheese, 1 tablespoon of erythritol, and 1/2 teaspoon of vanilla extract.
Drop a dollop of this mixture in the center of the batter before microwaving. The result will be a gooey, delicious cream cheese swirl that makes each bite even more indulgent.
Cinnamon Streusel Topping
If you love a crunchy topping on your cinnamon rolls, you can make a simple cinnamon streusel. Combine 1 tablespoon of almond flour, 1 tablespoon of melted butter, 1 teaspoon of erythritol, and 1/2 teaspoon of ground cinnamon.
Sprinkle this topping over the batter before microwaving. The butter in the streusel will create a deliciously crumbly texture that mimics the traditional cinnamon roll topping.
Chocolate Cinnamon Roll
For chocolate lovers, add 1 tablespoon of unsweetened cocoa powder to the dry ingredients and mix it in thoroughly for a rich chocolate flavor.
You can also add some sugar-free chocolate chips to the batter for even more chocolate goodness.
Maple Flavored Mug Cake
For a maple twist, add 1/2 teaspoon of maple extract to the batter.
After microwaving, drizzle with sugar-free maple syrup for a sweet, maple-infused mug cake that tastes just like a cinnamon roll drizzled with syrup.
Coconut Cinnamon Roll
For a tropical variation, mix in 1 tablespoon of unsweetened shredded coconut to the dry ingredients.
This variation adds a subtle coconut flavor that pairs wonderfully with the cinnamon, making your keto cinnamon roll mug cake even more delicious.
Storing Tips
- Refrigeration: This mug cake is best enjoyed fresh, but if you have leftovers, store it in the fridge for up to 2 days. Be sure to cover it with plastic wrap or a lid to keep it fresh.
- Reheating: When you’re ready to enjoy the leftovers, microwave the mug cake for 15-20 seconds. Add a little extra melted butter or whipped cream to freshen it up.
Extra Tips
- Don’t Overcook: Microwave ovens vary in power. Start with 1 minute and add more time in 10-second intervals if needed. Overcooking will make the cake dry and less fluffy.
- Use Room Temperature Butter: For the best texture, make sure your butter is melted but not too hot. Too hot butter can alter the consistency of the batter.
- Adjust Sweetness: If you like your mug cake sweeter, feel free to adjust the amount of sweetener. Taste the batter before microwaving to make sure it meets your preferences.
Common Mistakes, Solutions & Prevention
Mistake | Solution | Prevention |
---|---|---|
Overcooking the cake | Start with 1 minute and check doneness | Adjust microwave time as needed |
The cake is too dry | Add an extra tablespoon of butter or egg for moisture | Ensure proper measurements |
Not enough cinnamon flavor | Add an extra 1/2 tsp of cinnamon to the batter | Taste test and adjust cinnamon amount |
Too sweet or not sweet enough | Adjust sweetener to personal preference | Taste the batter before microwaving |
Ready to try out this keto cinnamon roll mug cake? It’s a simple and delightful dessert that won’t kick you out of ketosis.
Experiment with the variations and share your favorite twists in the comments. Let’s make this low-carb treat together and enjoy every delicious bite!