Keto Mug Cakes: Delicious and Easy Low-Carb Treats

Looking for a quick and satisfying keto dessert you can whip up in minutes? Look no further than mug cakes! These single-serving treats are perfect for satisfying cravings without going overboard on carbs.

Here’s what you’ll love about this recipe collection:

Simple ingredients: Most recipes use common keto-friendly ingredients like almond flour, coconut flour, sweeteners, and eggs.
Quick and easy: These mug cakes come together in under 5 minutes, making them ideal for busy weeknights or whenever you need a sweet fix.
Variety of flavors: From classic chocolate to unique options like snickerdoodle and pecan pie, there’s a mug cake to satisfy every taste bud.
Microwave or oven options: Choose the method that best suits your needs, whether you’re short on time or prefer using the oven.

Tips for the perfect keto mug cake:

Use the right size mug: A large mug (around 12 oz) is ideal to prevent overflow during cooking.
Don’t overmix: Overmixing can lead to a tough and dense cake. Mix just until the ingredients are combined.
Start with shorter cook times: Microwaves vary in power, so start with a shorter cooking time and add more seconds if needed. A toothpick test is your best friend – insert it in the center and it should come out clean when the cake is done.
Get creative with toppings: Add a dollop of whipped cream, sugar-free chocolate chips, or fresh berries for an extra decadent treat.

Now, let’s dive into these delicious recipes!

1- Keto Chocolate Mug Cake (Ready in 2 Minutes!)

This rich and moist mug cake is a delicious and satisfying keto treat, ready in just 2 minutes. Perfect for when your sweet tooth strikes!

Prep Time: 1 minute Cook Time: 1 minute Total Time: 2 minutes Servings: 1 Calories: 304 kcal

Ingredients:

3 tablespoons almond flour
1 tablespoon unsweetened cocoa powder
1/4 teaspoon baking powder
1 large egg
1 tablespoon unsalted butter (substitute with coconut oil for dairy-free)
1/8 teaspoon salt
2 tablespoons erythritol sweetener

Instructions:

Combine dry ingredients: In a small bowl or mug, whisk together almond flour, cocoa powder, baking powder, and salt.
Mix wet ingredients: In a separate bowl, whisk together melted butter and beaten egg.
Combine all ingredients: Pour the wet ingredients into the dry ingredients and whisk until just combined.
Microwave: Lightly grease a microwave-safe mug or ramekin. Pour the batter into the mug, leaving at least an inch of space at the top for rising. Microwave on high for 1 minute.
Test and cook further (optional): Check the doneness by inserting a toothpick in the center. If it comes out clean, the cake is done. If it needs more baking, microwave in 10-second intervals until cooked through.
Serve and enjoy: Serve warm with your favorite toppings like whipped cream and sugar-free dark chocolate chips.

Nutritional Information (per serving):

Calories: 304
Fats: 26.6g
Net Carbs: 4g
Protein: 11.3g

Tips:

For a richer flavor, use dark chocolate cocoa powder.
Adjust the sweetener amount to your preference.
Experiment with different toppings like crushed nuts, berries, or keto-friendly chocolate sauce.

2. Low-Carb Snickerdoodle Mug Cake: A Delicious Keto Treat (Ready in 1.5 Minutes!):

This cinnamon-infused mug cake tastes like a snickerdoodle cookie in cake form

Ingredients
For the Cake:

1 tablespoon unsalted butter, melted
1 large egg
3 tablespoons superfine almond flour
1/2 teaspoon baking powder
1 tablespoon + 1 teaspoon granular erythritol sweetener
1/2 teaspoon vanilla extract
1/2 teaspoon cinnamon

For the Cinnamon Sugar Topping:

1/16 teaspoon ground cinnamon
1/4 tablespoon granular erythritol sweetener

Instructions:

In a microwave-safe mug (capable of holding at least 12 oz of liquid), combine all the cake ingredients. Mix using a small whisk until the batter is smooth.
In a separate small bowl, mix the topping ingredients together. Whisk until evenly combined, then sprinkle over the surface of the cake batter.
Microwave the cake at full power for approximately 1 minute and 30 seconds. Avoid overcooking as it can dry out the cake. Allow the cake to cool for a few minutes before consuming.

Notes:

Microwave used is 1100 watts. Adjust time and/or power if your microwave differs.
Ingredients used: Kirkland Signature superfine almond flour* and So Nourished Erythritol Sweetener Granular*.
*Affiliate links are included for some products. Purchasing via these links supports my content without extra cost to you.
Nutritional Information excludes carbs from erythritol.

Nutritional Information
Per serving (1 cake):

Calories: 312 kcal
Carbohydrates: 7g
Protein: 10g
Fat: 27g
Saturated Fat: 9g
Sodium: 67mg
Fiber: 3g
Sugar: 1g
Net Carbs: 4g

3- Irresistible Keto Vanilla Chocolate Chip Mug Cake (Ready in 7 Minutes!)

This delicious and easy-to-make keto mug cake is sure to become a favorite! It’s packed with flavor, healthy, and has only 5g net carbs per serving, making it the perfect keto-friendly snack or dessert.

Yields: 2 Servings Prep Time: 5 minutes Cook Time: 2-3 minutes (microwave) or 10-15 minutes (oven) Total Time: 7 minutes (microwave) or 15-20 minutes (oven)

Ingredients:

2 tablespoons (16g) finely ground almond flour
2 tablespoons (16g) finely ground coconut flour
2 tablespoons (28g) granulated erythritol
1 tablespoon (15ml) unsweetened almond milk
1 tablespoon (15ml) melted butter
1 egg
½ teaspoon gluten-free baking powder
½ teaspoon sugar-free vanilla extract
½ vanilla pod (optional)
1 oz (30g) sugar-free chocolate chips

Instructions:

Combine ingredients: In a medium bowl, whisk together all ingredients until you have a smooth and chunk-free batter.
Grease mug: Lightly grease a microwave-safe mug or bowl with a neutral-flavored oil like coconut, butter, or avocado. The mug should be at least double the size of the batter.
Microwave cooking: Microwave on high for 1-3 minutes, depending on your microwave wattage. Here’s a general guide:
- 1200W+: Approximately 1 minute
- Less than 600W: 2-3 minutes
Start with a shorter cooking time and add more in 10-second intervals if needed to prevent drying out the cake. Test by inserting a toothpick in the center – it should come out clean when done.
Oven cooking: Preheat oven to 350°F (180°C). Bake for 10-15 minutes, or until a toothpick inserted in the center comes out clean.
Enjoy: Serve your mug cake warm or cover and store in the fridge for a chilled treat. Both options are delicious!

Tips:

Adjust the cooking time based on your microwave wattage.
For best results, use finely ground almond and coconut flours.
This recipe is for informational purposes only, and the nutritional information is an estimate.
Some links in the original recipe are affiliate links.

4. Refreshing Lemon Mug Cake (Ready in 2 Minutes!)

This zesty lemon mug cake is the perfect single-serving treat, bursting with bright lemon flavor and ready in just 2 minutes. Topped with a delicate vanilla glaze, it’s a delightful and satisfying keto-friendly dessert.

Servings: 1
Preparation Time: 1 minute
Cooking Time: 1 minute
Total Time: 2 minutes

Ingredients:

1 tablespoon almond flour
1 1/2 tablespoon coconut flour
1/2-1 teaspoon lemon extract
1 tablespoon sugar
1/2 teaspoon baking powder
1 large egg (or egg white)
3 tablespoons milk

For the Vanilla Glaze:

2 tablespoons powdered sugar
1/16 teaspoon vanilla extract
1 teaspoon milk

Instructions:

In a small bowl, mix almond flour, coconut flour, sugar, and baking powder.
In another bowl, whisk together milk, egg, and lemon extract.
Combine the wet and dry ingredients until just mixed.
Grease a large mug or a deep bowl generously with butter or oil.
Pour the batter into the mug or bowl.
Microwave for at least 50 seconds, adjusting the time based on your microwave’s power.
For the glaze, mix powdered sugar, vanilla extract, and milk to your desired consistency.
Drizzle the glaze over the cooled mug cake.

Notes:

Storage: Best enjoyed fresh. If necessary, store in the fridge for 1-2 days, covered with plastic wrap or in an airtight container. Warm up for 10-15 seconds in the microwave before enjoying.
Freezing: Freezing is not recommended as it can affect the texture.

Nutritional Information (per serving):

Calories: 195 kcal
Carbohydrates: 6g
Protein: 6g
Fat: 13g
Fiber: 4g
Vitamin A: 150IU
Vitamin C: 1.7mg
Calcium: 20mg
Iron: 0.7mg
Net Carbs: 2g

5- Keto Mug Brownie: Ready in 2 Minutes!

This decadent and rich chocolate brownie bakes up in your microwave in just 2 minutes, making it the perfect quick and easy keto treat.

Ready in: 2 minutes Serves: 1 Calories per serving: 124

Ingredients:

½ teaspoon coconut oil
1 tablespoon low-carb sweetener
½ teaspoon vanilla extract
1 large egg (or egg substitute, see notes)
2 tablespoons unsweetened cocoa powder
2 teaspoons coconut flour
½ teaspoon baking powder
1 ½ tablespoons heavy cream (adjust for desired consistency)

Instructions:

Melt: Combine coconut oil and sweetener in a microwave-safe mug and heat for 15 seconds. Stir until well combined.
Mix dry ingredients: Add vanilla extract, cocoa powder, coconut flour, and baking powder to the mug. Stir until combined.
Beat in wet ingredients: Add the egg and beat until incorporated. Gradually stir in heavy cream until a thick batter forms.
Microwave: Microwave on high for 30-90 seconds, depending on desired texture (fudgier for shorter time, cake-like for longer).
Enjoy: Serve warm, topped with whipped cream if desired.

Notes:

The brownie can be made in a coffee mug, ramekin, or any similar-sized microwave-safe dish.
For an egg-free option, use a fiber syrup in place of the sweetener and omit the egg. Alternatively, use a psyllium or flax egg with granular sweetener.
Adjust the amount of heavy cream to achieve your desired consistency.

Nutritional Information (per serving):

Calories: 124
Carbohydrates: 7g
Protein: 5g
Fat: 9g
Saturated Fat: 5g
Cholesterol: 121mg
Sodium: 57mg
Potassium: 216mg
Fiber: 3g
Sugar: 1g
Vitamin A: 318IU
Calcium: 73mg
Iron: 1mg

6. Keto Chocolate Mug Cake: Indulge Guilt-Free in 2 Minutes! (Zero Net Carbs):

This decadent and moist keto mug cake is the perfect answer to your sweet tooth. Packed with rich chocolate flavor, it’s surprisingly low in carbs and ready in just 2 minutes.

Ready in: 2 minutes Serves: 1 Net Carbs: 0g

Ingredients:

2 tablespoons butter
1 tablespoon coconut oil
2 teaspoons unsweetened cocoa powder
3 tablespoons almond flour
2-3 teaspoons erythritol (adjust for desired sweetness)
1 egg

Instructions:

Melt fats: Add butter and coconut oil to a microwave-safe mug. Heat on high for 20-30 seconds, stirring until melted and smooth.
Combine dry and wet ingredients: Add cocoa powder, almond flour, erythritol, and egg to the mug. Whisk until well combined, even if the batter appears slightly grainy.
Microwave: Microwave on high for 90 seconds.
Enjoy: Let the cake cool slightly before digging in and savoring the guilt-free indulgence!

Nutritional Information (per serving):

Calories: 507kcal
Carbohydrates: 6g (of which 0g are net carbs)
Protein: 10g
Fat: 51g
Saturated Fat: 28g
Cholesterol: 223mg
Sodium: 262mg
Potassium: 60mg
Fiber: 2g
Vitamin A: 935IU
Calcium: 69mg
Iron: 1.8mg

7. Coffee Mug Cake: A Quick and Easy Single-Serve Treat (Microwave or Oven)

This coffee mug cake is the perfect solution for a quick single-serving dessert. It’s fluffy, moist, and topped with a delicious streusel, taking less than 2 minutes to make in the microwave. You can also bake it in the oven for a slightly different texture.

Ready in: 2 minutes (microwave) or 10-12 minutes (oven) Serves: 1

Ingredients:

Cake:

1 ½ tablespoons coconut flour
1 tablespoon almond flour
½ teaspoon baking powder
1 teaspoon maple syrup (adjust for desired sweetness)
½ teaspoon cinnamon
½ teaspoon vanilla extract
1 large egg
2 tablespoons milk (adjust as needed)

Optional Streusel Topping:

1 tablespoon almond flour
½ teaspoon cinnamon
1 tablespoon brown sugar
1 tablespoon almond butter (or any nut or seed butter)
1 tablespoon milk (optional)

Instructions:

Combine dry ingredients: In a small bowl, whisk together coconut flour, almond flour, baking powder, cinnamon, and maple syrup.
Combine wet ingredients: In a separate bowl, whisk together egg, vanilla extract, and milk.
Combine all ingredients: Pour the wet ingredients into the dry ingredients and whisk until just combined.
Prepare streusel (optional): In a separate bowl, combine almond flour, cinnamon, and sugar. Add almond butter and mix well until crumbly. Add a splash of milk if needed for a slightly looser consistency.
Microwave: Grease a microwave-safe mug or ramekin and pour the batter in. Top with streusel, if desired. Microwave on high for 1-2 minutes, or until a toothpick inserted in the center comes out clean.
Oven: Preheat oven to 350°F (180°C) and grease a large ramekin. Follow steps 1-4, then bake for 10-12 minutes, or until a toothpick inserted in the center comes out clean.

Notes:

Start with 2 tablespoons of milk for the cake batter and adjust for consistency as needed.
Enjoy the coffee mug cake fresh and warm.
Not suitable for freezing or storing.

Nutritional Information (per serving, without streusel):

Calories: 188kcal
Carbohydrates: 14g
Protein: 9g
Fat: 10g
Sodium: 345mg
Potassium: 92mg
Fiber: 5g
Sugar: 6g
Vitamin A: 273IU
Vitamin C: 0.04mg
Calcium: 214mg
Iron: 2mg
Net Carbs: 9g

8. Celebrate in Minutes: Keto Birthday Mug Cake for One!

This personal-sized, low-carb, and gluten-free birthday cake comes together in just 7 minutes, perfect for a special occasion.

Ready in: 7 minutes Serves: 1

Ingredients:

Cake:
- 2 tablespoons almond flour
- 1 tablespoon coconut flour
- ¼ teaspoon baking powder
- Pinch of salt
- 1 tablespoon melted coconut oil
- 2 tablespoons + 1 teaspoon almond milk
- 1 egg
- 1 tablespoon low-carb sweetener
- ½ teaspoon vanilla extract
Optional Frosting:
- ¼ cup softened butter
- ½ cup powdered sweetener
- ½ teaspoon vanilla extract
- Coconut or almond milk for desired consistency (about 1 tablespoon)

Instructions:

Combine dry ingredients: In a small bowl, whisk together almond flour, coconut flour, baking powder, and salt. Set aside.
Melt coconut oil: In a small microwave-safe mug or ramekin (you can also use a 2-cup Pyrex container), melt the coconut oil.
Mix wet ingredients: Using a fork, whisk together the almond milk, egg, sweetener, and vanilla extract in the melted coconut oil.
Combine all ingredients: Gently fold the dry ingredients into the wet ingredients using the fork until just combined.
Microwave: Microwave on high for 1 ½ to 2 minutes, or until the cake is no longer wet and cooked through. The cooking time may vary depending on your microwave wattage.
Cool and frost (optional): Let the cake cool on a wire rack before frosting.
Prepare frosting (optional): Cream together softened butter, powdered sweetener, and vanilla extract until smooth. Add coconut or almond milk, one tablespoon at a time, until desired consistency is reached. Frost the cooled cake and enjoy!

Notes:

Each cake layer is considered two servings. This recipe makes one cake layer, enough for one person.
You can use chocolate frosting instead of buttercream.
This recipe is for informational purposes only, and the nutritional information is an estimate.

Nutritional Information (per serving):

Calories: 132
Carbohydrates: 6.2g (including 1.8g net carbs)
Protein: 5.2g
Fat: 11.1g
Fiber: 2.1g

Celebrate your special day with this delicious and quick keto birthday mug cake!

9. Indulge in the Fall Season with a Keto Pumpkin Mug Cake (Ready in Minutes!):

This delicious and satisfying keto mug cake captures the essence of pumpkin pie in a convenient single-serving format. It’s ready in just 7 minutes and boasts a delightful combination of warm spices and creamy frosting.

Ready in: 7 minutes Yields: 2 servings

Ingredients:

Cake:

2 tablespoons (16g) finely ground coconut flour
2 tablespoons (16g) finely ground almond flour
2 tablespoons (28g) erythritol
1 tablespoon (15ml) melted butter
1 tablespoon (15ml) unsweetened almond milk
½ teaspoon (3g) gluten-free baking powder
1 egg
1 pinch salt
2 tablespoons (28g) pumpkin puree
½ teaspoon pumpkin spice
½ teaspoon sugar-free vanilla extract

Cream Cheese Frosting (Optional):

1 tablespoon (15g) full-fat cream cheese
1 tablespoon (15ml) unsweetened almond milk
1 teaspoon (7g) erythritol
1 pinch pumpkin spice

Instructions:

Combine dry ingredients: In a medium bowl, whisk together coconut flour, almond flour, erythritol, baking powder, and salt.
Mix wet ingredients: In a separate bowl, whisk together melted butter, almond milk, egg, pumpkin puree, pumpkin spice, and vanilla extract.
Combine all ingredients: Pour the wet ingredients into the dry ingredients and whisk until just combined.
Microwave (optional): Grease a microwave-safe mug with a neutral oil and pour in the batter. Microwave on high for 60 seconds, or until a toothpick inserted in the center comes out clean. Start with a shorter cooking time (50 seconds) and add more time in 10-second increments if needed to avoid dryness.
Oven (optional): Preheat oven to 350°F (180°C). Grease a small ramekin or oven-safe mug and pour in the batter. Bake for 10-15 minutes, or until a toothpick inserted in the center comes out clean.
Prepare frosting (optional): In a small bowl, whisk together cream cheese, almond milk, erythritol, and pumpkin spice until smooth.
Cool and enjoy: Let the cake cool slightly before adding the frosting (optional) and digging in!

Tips:

Adjust the cooking time based on your microwave wattage.
For a richer flavor, use browned butter instead of regular melted butter.
This recipe is for informational purposes only, and the nutritional information is an estimate.

Nutritional Information (per serving):

Calories: 157
Total Fat: 10.8g (17% DV)
Total Carbohydrate: 8.3g (3% DV)
Dietary Fiber: 4.5g (18% DV)
Protein: 8.9g (18% DV)

10. Keto Pecan Pie Mug Cake: A Single-Serving Delight (Microwave or Oven):

This keto pecan pie mug cake is the perfect single-serving dessert that satisfies your sweet tooth while staying low in carbs. It’s incredibly flavorful and comforting, boasting only 5g net carbs per serving.

Ready in: 12 minutes (includes prep) Yields: 2 servings

Ingredients:

Mug Cake Base:

2 tablespoons (16g) finely ground coconut flour
2 tablespoons (16g) finely ground almond flour
2 tablespoons (28g) pure brown erythritol (or other keto-friendly sweetener of your choice)
1 egg
1 tablespoon (15ml) unsweetened almond milk
1 tablespoon (15ml) melted butter
½ teaspoon baking powder
½ teaspoon sugar-free vanilla extract

Pecan Pie Topping (per serving):

½ ounce (15g) chopped pecans
1 tablespoon (14g) pure brown erythritol (or other keto-friendly sweetener of your choice)
1 tablespoon (28g) butter
½ teaspoon sugar-free vanilla extract

Instructions:

Combine dry ingredients: In a medium bowl, whisk together coconut flour, almond flour, sweetener, and baking powder.
Whisk wet ingredients: In a separate bowl, whisk together egg, almond milk, melted butter, and vanilla extract.
Combine all ingredients: Pour the wet ingredients into the dry ingredients and whisk until just combined.
Microwave: Grease a microwave-safe mug or ramekin and pour in the batter. Microwave on high for 1-3 minutes, depending on your microwave wattage. Start with a shorter time (60 seconds) and add more in 10-second increments if needed to avoid dryness. A toothpick inserted in the center should come out clean when the cake is done.
Oven: Preheat oven to 350°F (180°C). Grease a ramekin or oven-safe mug and pour in the batter. Bake for 10-15 minutes, or until a toothpick inserted in the center comes out clean.
Prepare topping: While the cake is baking (or after microwaving), combine pecans, sweetener, butter, and vanilla extract in a small saucepan over low heat. Stir until melted and well combined.
Assemble and enjoy: Once the cake is cooked, add the pecan pie topping and enjoy warm or cold.

Tips:

Adjust the cooking time based on your microwave wattage.
For a thicker cake, use a smaller mug or ramekin.
Store leftover cake in the fridge for up to 3 days.

Nutritional Information (per serving):

Calories: 409
Total Fat: 25.2g (39% DV)
Total Carbohydrate: 14.2g (5% DV)
Dietary Fiber: 9.2g (37% DV)
Protein: 23.9g (48% DV)

Conclusion

Whether you’re on a keto diet or just looking for a healthier way to indulge, keto mug cakes are a perfect choice. They’re quick and easy to make, require minimal ingredients, and are incredibly versatile.

With a variety of flavors and toppings to choose from, there’s a keto mug cake out there for everyone. So next time you’re craving something sweet, reach for one of these delicious and satisfying treats.

Here are some additional tips for making keto mug cakes:

Use a microwave-safe mug or ramekin.
Be careful not to overcook your mug cake, as it will become dry.
Add your favorite toppings, such as whipped cream, berries, or nuts.
Experiment with different flavors and ingredients to find your perfect keto mug cake.

With a little creativity, you can easily make keto mug cakes that are both delicious and satisfying. So what are you waiting for? Give one of these recipes a try today!

Don’t forget to share your favorite keto mug cake recipes in the comments below!