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Keto cinnamon mug cake or cinnamon muffin in a mug is an almond flour mug cake perfect to fix your cinnamon cravings. It tastes like a cinnamon roll with only 3.4g of net carbs to your day. A delicious sweet keto breakfast or snack recipe ready in only 90 seconds! Bonus, this low-carb mug cake is also paleo and gluten-free as well as dairy free!

Low carb cinnamon mug cake

What is a low carb mug cake?

A low carb mug cake is like a muffin in a cup made with low-carb flours and baked in the microwave. Keto mug cakes or low carb mug cakes, are great ways to fix sweet cravings without adding sugar or high carb food to your day. A low carb mug cake usually contains about 7g of net carbs but I recommend to serve 2 mug cake with this recipe to lower the carbs to 3.7g! Plus, half of the recipe is very fulfilling, sweet and enough to fix a sweet craving.

Cinnamon muffin in a mug

Calling all the cinnamon lovers!!! You deserve a cinnamon muffin for breakfast even on a low-carb diet. This mug cake is the best way to fix your muffin cravings with very few carbs and in only 90 seconds. Are you wondering how to make a keto cinnamon mug cake? Stay with me, I gonna tell you everything about this easy low carb recipe. 

Low Carb Cinnamon Mug Cake Keto

Keto cinnamon mug cake ingredients

First, gather all your ingredients on the bench top. A tall mug – 6 cm high – is ideal to prevent the batter from overflowing in the microwave. The ingredients you need are very simple low-carb ingredients that I am sure you have at home:

  • Egg
  • Almond flour or almond meal, both work well in this recipe
  • Sugar-free crystal sweetener – I always use Monk fruit stevia blend or erythritol stevia blend check out my keto sweetener review for alternatives
  • Coconut oil – or any vegetable oil or butter if preferred
  • Baking soda – this will raise the keto mug cake and create a soft airy muffin-like texture
  • Ground cinnamon

Low Carb Cinnamon Mug Cake Keto (19)

Is cinnamon good for people on keto low-carb diet?

I am sure you wonder if it’s good for people with diabetes or on low carb diet to eat cinnamon. Yes, absolutely. I would even say eat your cinnamon daily to keep your blood sugar level steady and avoid energy crash. Cinnamon is good for people with diabetes or on a keto diet as it helps lower the blood sugar level. Another good news is, you don’t have to eat much cinnamon to get the positive effects. Studies show that our blood sugar level lowers with 1 gram to 6 grams of cinnamon a day.  It means that this cinnamon muffin in a mug is all good for you and you shouldn’t wait any longer to try it!

Is this almond flour mug cake keto friendly? 

Yes! this  low carb mug cake is made with almond flour. Almond flour is one of my favorite keto flour. I listed the top reason below, per serve (1/4 cup) almond flour contains:

  • only 3.8 grams of net carbs 
  • 3 grams of fiber which is good for your gut health and digestion
  • no gluten
  • a light texture and flavor similar to high-carbs flour, perfect to create airy low carb baked goods like muffins

Cinnamon mug cake no milk: a dairy-free paleo mug cake

This cinnamon mug cake has no milk which means it’s also suitable for people on a paleo diet. The cinnamon glazing, that makes this keto cinnamon cake taste like a traditional cinnamon roll, use dairy-free ingredients.

Cinnamon muffin in a mug keto

Keto mug cake cinnamon glazing

This cinnamon mug cake won’t be complete without its cinnamon glazing. This is the cherry on top of the cake! It adds moisture, delicate sweetness to your mug cake and you will feel like eating a low carb cinnamon roll. The secret to a dairy-free white glazing is to use coconut cream – or pure dairy-free coconut yogurt made of 2 ingredients, coconut cream and probiotics. The cinnamon drizzle is a simple combo of peanut butter, cinnamon, coconut oil and sweetener. Fix your sweet tooth now, try this mug cake recipe you won’t regret it.

Can I bake a mug cake without a microwave?

I’m sure some of you don’t have a microwave, or for some reason you don’t like to bake in the microwave. I’ve got you covered. Simply place this muffin batter into an ovenproof ramekin or muffin tray. Baking time range is 12-15 minutes, temperature 180C (350F). A great test to check the baking is to insert a pick in the center of the muffin. A clean pick means it’s cooked.

How to make-ahead a mug cake?

We are busy people right? Good news, you can prepare the mug cake batter the previous day. Store the batter in the fridge into your mug. Cover the mug with silicone lid or plastic film wrap to avoid air to enter. The next day, microwave for 90 seconds on high. Your mug cake will come out as great as a fresh bakery muffin. I don’t recommend baking the mug cake ahead as food baked in the microwaved hardens very fast. It is better to eat a mug cake within 1 hour of making it.


almond flour mug cake with Cinnamon

Enjoy the simple cinnamon keto mug cake and don’t forget to share a picture of your creation with me on Instagram.

More keto mug cake recipes

I have lots more keto mug cake recipes for you to try. My mug cake recipes are ideal to fix a sweet cravings in a few minutes using your microwave.

xoxo, Carine
Low Carb Cinnamon Mug Cake Keto

Low Carb Cinnamon Mug Cake with almond flour

Low Carb cinnamon mug cake or cinnamon muffin in a mug is an almond flour mug cake perfect to fix your cinnamon cravings.
Prep Time: 5 mins
Cook Time: 1 min
Total Time: 6 mins
Author: Carine
2 mug cakes
Leave A Review Print The Recipe


Cinnamon drizzle

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  • Grease a microwave proof ramekin or mug with coconut oil, size 9 cm diameter and minimum 6 cm high to avoid overflow when baking. Set aside.
  • In a small bowl, beat together egg, oil or butter and sugar free crystal sweetener. Make sure your oil or butter is not too hot or it will 'cook' the egg and create lumps. Wait a few minutes after melting the oil before adding with egg.
  • Stir the almond flour in, baking soda and cinnamon. I recommend 1/2 teaspoon of ground cinnamon for a light cinnamon flavor, add up to 1 teaspoon if you are a cinnamon lover!
  • Transfer the batter into two ramekin and microwave 80-90 seconds individually. Time varies slightly depending on microwave power. The longer the dryer. The best is to start with 80 seconds, check and return for extra 10 seconds if you like.
  • Cool down 1 minute before adding fresh dairy-free coconut yogurt. Coconut yogurt is made of 2-ingredients, coconut cream and probiotics, don't use flavored coconut yogurt that will contain added sugar. Otherwise use plain Greek yogurt if you eat dairy.

Cinnamon drizzle

  • In a small mixing bowl add peanut butter with coconut oil. Microwave 30 seconds to melt the coconut oil and easily combine both ingredients.
  • Stir in ground cinnamon, sweetener and use this mixture to drizzle on top of the yogurt.
  • Eat immediately.
Baking : if you don't have a microwave you can bake this cinnamon mug cake in the oven at 180C (350 F) for 12-15 minutes.
Peanut butter swap : you can replace the peanut butter by any sort of nut butter like almond butter or sunflower seed butter or tahini. All these options are low carb keto friendly too.
Nutrition Facts
Low Carb Cinnamon Mug Cake with almond flour
Amount Per Serving (1 mug cake)
Calories 162 Calories from Fat 126
% Daily Value*
Fat 14g22%
Carbohydrates 4.5g2%
Fiber 1.1g5%
Sugar 0.7g1%
Protein 5.5g11%
Net Carbs 3.4g
* Percent Daily Values are based on a 2000 calorie diet.


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    • You can simply blend powdered erythritol with water or with soft cream cheese and drizzle, Enjoy, XOXO Carine

  1. 3 stars
    Good thing we eat our mistakes! Looks terrible. Didn’t ‘cake up’ like it should have. The drizzle remained fully liquid. But my husband loved the flavor and ate it anyway.

    • I am sorry to hear that. Happy to help you make this better next time. Maybe it didn’t cook long enough to get a cake like texture. Regarding the drizzle, you can make it thicker by adding less water or more sugar free powdered sweetener. Each brand have different texture and the ratio liquid/solid can be impacted based on the brand you used. Enjoy the recipe around here, XOXO Carine

  2. 5 stars
    I was craving a keto dessert while watching a Food Network tournament (lol) and found this recipe. The mug cake topped with the peanut butter drizzle was outstanding! I will make this again and experiment with a cream cheese topping like you put on a cinnamon roll. Thanks for posting!

    • Thanks for trying my recipes! The cream cheese frosting is a great idea, I am sure it will taste amazing. XOXO Carine.

  3. 5 stars
    It’s the best I tried! Only I added one extra tablespoon of almond meal to give it extra firmness and texture. Thank you very much for the recipe
    All the best from Europe x

  4. 5 stars
    Just made this… No topping but absolutely love it… So easy, and so so nice, thank you… I’ll be making this more I’m sure

  5. 5 stars
    I just made this recipe replaced the sugar with msple extract. Was very moist after 80 seconds. Delicious thanks

    • Thanks for the lovely feedback! I love the idea of using maple extract, it must have taste fabulous! XOXO Carine.

    • There is definitely print options on all my recipe. First one is on top of page after the recipe title, there is a ‘print recipe link’. Second is in the recipe card next to rating, another ‘print recipe link’ on your right. Can you tell me which device you are using that I can check if there is any technical bug but from my laptop I see the print link and they work well. XOXO Carine.

  6. 5 stars
    Hi Carine, I just made this mug cake. It supposed to be named best comforting cinnamon cake. The recipe is very simple and easy. I’m so into this sweet treats. Love every recipes from you.Happy weekend to you❤️

    • This is so nice to read thanks so much for making my recipes and reporting back. Have a great week end too. I will keep sharing more healthy low carb treats for you. XOXO Carine.

  7. 5 stars
    This cake along with the chocolate mug cake have become a staple for me and are on high rotation! It is so delicious,filling and quick! The texture is so cake like and fluffy, you really wouldn’t know you are eating a ketonised version of cake! So indulgent yet healthy!

    • Thanks SO much for the lovely feedback, much appreciated. Enjoy the blog recipes and keep an eye around a lovely keto lemon mu cake recipe is coming on Monday ! you will love it. XOXO Carine.

  8. 5 stars
    This made my entire morning! I don’t have a lot of energy to make extravagant things on keto due to chronic illness but this is so perfect. I skipped the drizzle and added whipped topping, but the mug cake itself is absolutely perfect in taste and texture. I paired it with a cinnamon coffee and am in absolute heaven.

  9. I don’t see any mention of coconut yogurt in the in ingredients! Did I miss something. I would prefer not to add this. Does this add many carbs?? Thank you!!

    • Coconut yogurt is only used as a topping and it is optional. Coconut yogurt contains zero carbs, zero sugar it is made of coconut cream and probiotic. It will had fat to your mug cake which is actually great if you are on keto low carb diet! Enjoy the treat. XOXO Carine.

    • It appears at the bottom of the recipe card after the instructions and video. Enjoy the mug cake! XOXO Carine

    • You probably could but you will need less, probably 1/4 of the amount of almond flour I used as coconut flour is 4 times more liquid absorbent. Enjoy the recipe! XOXO Carine.