Keto Vanilla Mug Cake

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If you find yourself longing for something sweet, this Keto Vanilla Mug Cake saves the day. It’s tender, sweet, and can be made in under 5 minutes! When you try this low carb vanilla mug cake recipe, you will feel like you are in food heaven. The best part is that besides being delicious and only taking minutes to make it is also sugar-free, grain-free, and gluten-free.  

You know those days when everything is hectic, and you just want 5 minutes to relax and enjoy a keto vanilla cake? We all have those days, and mug cakes have become the newest fascination. They are seriously so simple to make, and you can be indulging with one in a matter of minutes. Now, you may not have peace and quiet, but at least you will be able to tune it out when you are indulging a little with a gluten free keto dessert 

One thing that really wins me over (besides how amazing it tastes) is the fact that this low carb vanilla cake is only a single serving. You can whip up a keto mug cake and enjoy the entire thing without any fear of blowing my low carb diet or guilt that you have had too much. It’s perfect for those times when you don’t feel like you have self-control or are just really watching what you are eating. And it’s one of my all-time favorite sugar free mug cake recipes. 

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Ingredients

Refined coconut oil – The coconut oil will need to be melted for this mug cake. It’s important to use refined coconut oil because it doesn’t have that coconut flavor that unrefined has. In many recipes, unrefined is perfect, but unless you want your cake to taste tropical, I recommend refined.

Vanilla – Using pure vanilla extract will give you some lovely flavor. You don’t need very much either. 

Sour cream – Using sour cream will make your mug cake moist and give you a terrific texture. 

Egg – I know a lot of mug cakes don’t require an egg, but using one really binds the ingredients together and gives it a typical cake texture. Often mug cakes will be rubbery and a strange texture without an egg. 

Sugar-Free Sweetener – To give your mug cake the perfect amount of sweetness, you will want a sweetener free of refined sugar. I offer my choice of sweetener and variations for using monk fruit sweetener and others in the recipe card.

Almond flour & Coconut Flour – The combination of these two flours gives you an unbelievable low carb mug cake perfect for a low carb keto diet. 

Baking powder – When using a little bit of baking powder, you will get the best rise in the mug cake. Make sure to measure properly, so you don’t end up with too much or too little. 

Tiny pinch salt – Surprisingly, a little bit of salt actually brings out the sweetness in the vanilla cake. It’s pure perfection. 

How To Make Keto Vanilla Mug Cake

Mug cakes are a hit not just because of their flavor, but because they are so simple to make. Once you try one, you will find out, and it’s impossible not to be addicted to them! Take a look:

Step One: Combine the melted coconut oil, vanilla, sour cream, egg, sweetener or choice, flours, baking powder, and salt in a mug or small bowl. Mix well.

Step Two: Microwave for 1 ½ minutes. Top the keto mug cake with your favorite fruit and enjoy!

Yes, you read that, right! That is all there is to it, so now you can sit back, kick up your feet, and start nibbling on this amazing creation. 

Variations

Coconut Flour – If you’d like to use all coconut flour check out this recipe for a Keto Coconut Flour Mug Cake.

Spices – Adding pumpkin pie spice, apple pie spice, cinnamon, nutmeg, ginger, or a blend of chai spices are all delicious additions.

Extracts – Using flavored extracts is another easy way to flavor a mug cake. Almond extract, lemon extract, maple extract, and orange extract are good choices.

Zest – Lemon zest, orange zest, lime zest, or even grapefruit zest can flavor a cake without adding net carbs.

Chocolate Chips – Feel free to stir in some sugar free chocolate chips of your choice. I do that in my Keto Chocolate Chip Mug Cake.

Common Questions

How do I serve a mug cake?

You can simply enjoy it straight out of the mug, so there is only one dish to clean up. That is part of the satisfaction of making and eating a mug cake! Even if you make several mug cakes for everyone in the family and have more dishes, it’s worth it because everyone can enjoy their own special dessert. 

You can also invert the cake onto a plate and ice it for a mini birthday cake! You can use keto Peanut Butter Frosting, Raspberry Frosting, Chocolate Frosting, Keto Cream Cheese Frosting, or any other icing you enjoy. To keep it simple turn this into a shortcake by adding some whipped cream, strawberries, blueberries, raspberries, and blackberries.

Can I Store Leftover Mug Cake?

Yes, if you can’t eat the entire thing or just wanted a simple bite or two, you can save the leftover. Make sure to cover the mug tightly with plastic wrap or remove the mug cake from the container and put it into something airtight. It will last up to 3 days in the fridge. You can actually reheat the mug cake too. Just put it in the microwave for 10-20 seconds or until it’s hot. It’s important not to overheat it this point, or it will dry out and become hard.

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Keto Vanilla Mug Cake

Taryn Scarfone

If you find yourself longing for something sweet this easy mug cake saves the day. It’s tender, sweet, and can be made in under 5 minutes!

5 from 12 votes

Print Recipe

Prep Time 1 minute min

Cook Time 1 minute min

Total Time 2 minutes mins

Course Dessert, Snack

Cuisine American

Servings 1

Calories 359

Ingredients

 

US CustomaryMetric

 

1x2x3x

• 1 tbsp refined coconut oil. melted
• 1/4 tsp vanilla
• 1 tbsp sour cream
• 1 egg
• 1.5 tbsp Joy Filled Eats Sweetener (or see alternatives in recipe notes)
• 3 tbsp almond flour
• 1 tbsp coconut flour
• 1/4 tsp baking powder
• tiny pinch salt

Instructions

 

• Mix well in a microwave-safe mug.
• Microwave for 1.5 minutes.

Notes

Nutrition: This makes 1 serving. The entire mug cake has 5 NET carbs.

Coconut Oil: If your coconut oil is solid simply melt it in the mug in the microwave for 15 seconds and then add the rest of the ingredients.

Microwave Cooking Times: The power of microwaves can vary. These times are based on an 1100 watt microwave. Decrease or increase as needed for your microwave.

To Reheat: you can reheat the mug cake in the microwave for 10-20 seconds. 

To Freeze: take the mug cake out of the coffee cup and store in a freezer-safe container that’s airtight. Freeze for up to 2 months. Reheat in the microwave. 

Notes on Sweeteners: 

I use my own blend of xylitol, erythritol, and stevia in my recipes. This is twice as sweet as sugar. It is comparable to Trim Healthy Mama Gentle Sweet and Truvia.

To sub in Swerve or Lakanto Monk Fruit use 1.5 times the amount of sweetener called for. 

 

To sub in Pyure or Trim Healthy Mama Super Sweet use half the amount of sweetener called for.

 

Substitutions will work in most recipes. They may not work in candies, such as caramel.

Nutrition

Calories: 359Carbohydrates: 10gProtein: 11gFat: 32gSaturated Fat: 17gCholesterol: 170mgSodium: 88mgPotassium: 187mgFiber: 5gSugar: 2gVitamin A: 312IUCalcium: 136mgIron: 2mg

Love this recipe?Please leave a 5 star rating!

 

If you are in the mood for more low carb recipes for mini desserts, take a look at these keto recipes:

Keto Mug Brownie – rich and fudgy this is for true chocolate lovers

Keto Black Bottom Mug Cake – this is a keto chocolate cake with a cheesecake swirl

Chocolate Chocolate Chip Cannoli Mug Cake – a delicious low carb chocolate cake with a cannoli ricotta topping

Almond Crusted Breakfast Cheesecake – perfect mini cheesecakes that are great for a snack, breakfast or dessert

Originally Published May 29, 2020. Revised and Republished April 10, 2023.