A slice of cake with layers of purple filling and yellow keto royal icing buttercream frosting, next to a piping bag on a white plate.

Best Keto Royal Icing Buttercream Recipe Sugar Free Frosting

5 from 1 vote

Are you looking for a delicious and easy keto dessert recipe that will wow your guests and satisfy your sweet tooth? If so, you’re in luck! Today, I’m going to share with you one of my favorite keto frosting recipes: keto royal icing buttercream.

This keto buttercream frosting is smooth, creamy, and perfect for decorating sugar cookies, cakes, cupcakes, and more. It has a rich vanilla flavor and a beautiful glossy finish. Plus, it’s low-carb, gluten-free, and sugar-free, so you can enjoy it without guilt.

Unlike traditional royal icing, which is made with powdered sugar and egg whites, this keto royal icing buttercream recipe uses swerve, butter, cream, and vanilla extract. 

Swerve is a natural sweetener that tastes and measures like sugar, but has zero calories and carbs. It also doesn’t cause a spike in blood sugar or insulin levels, making it ideal for keto dieters.

Butter adds richness and creaminess to the frosting, while cream helps to thin it out and make it more spreadable. 

Vanilla extract adds a lovely flavor and aroma, but you can also use other extracts like almond, lemon, or peppermint to change it up.

The best part about this keto royal icing buttercream recipe is that it’s super easy to make. You only need five ingredients and a hand mixer or a stand mixer. You can whip it up in less than 10 minutes and use it right away or store it in an airtight container in the fridge for up to a week.

5 from 1 vote
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You can also customize this keto buttercream frosting by adding food coloring, sprinkles, or other decorations.

You can use liquid colors or gel colors, but be careful not to add too much water, as it can make the frosting runny.

You can also use natural food coloring like beet juice, turmeric, or spinach to make it more healthy.

To decorate your keto cookies or cakes, you’ll need a piping bag and some piping tips. You can use any tips you like. I recommend using a small round tip for outlining and a larger star or flower tip for filling.

You can also use a spatula or a knife to spread the frosting evenly.

This keto royal icing is perfect for piping!

Here is a keto blueberry creme fraiche pound cake that I decorated with this keto royal icing buttercream. The frosting is smooth, glossy, and stable (don’t mind my piping skills). It has a light and delicious vanilla flavor that complements the cake well.

A delicious slice of keto royal icing buttercream recipe sugar-free frosting on a cake, beautifully garnished with intricate yellow frosting designs, presented on a white plate.
Keto Pound Cake with Keto Royal Icing Buttercream

Ingredients

  • 3 tablespoons swerve
  • 2 large fresh egg whites, at room temperature
  • 1/2 cup unsalted butter, at room temperature
  • 2 tablespoons heavy cream
  • 1/4 teaspoon sugar free vanilla extract
A slice of cake with layers of purple filling and yellow keto royal icing buttercream frosting, next to a piping bag on a white plate.
Low Carb Royal Icing Buttercream

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Instructions

In a small bowl, whisk the egg whites and swerve together until well combined. You can also add a drop of lemon juice or citric acid to help stabilize the meringue.

In a large mixing bowl, whisk the butter with an electric mixer. You can use a stand mixer fitted with the paddle attachment until smooth and creamy too.

Add the cream and vanilla extract and whisk again until well incorporated.

Gradually add the egg white mixture to the butter mixture, whisking on low speed until smooth and glossy. You may need to scrape down the sides of the bowl with a spatula as you go.

Transfer the keto royal icing buttercream to a piping bag fitted with your desired tip and decorate your keto cookies or cakes as you like. You can also use a spatula or a knife to spread the frosting evenly.

Enjoy your keto royal icing buttercream or store it in an airtight container in the fridge for up to a week. You can also freeze it for up to 3 months and thaw it in the fridge before using.

A Pinterest pin showcasing a Keto Royal Icing Buttercream recipe that is sugar-free and gluten-free. The image displays a delicious slice of cake topped with yellow buttercream icing, with the recipe title and website URL prominently displayed.
Sugar Free Royal Icing Buttercream Recipe

I hope you enjoyed this keto royal icing buttercream recipe and found it easy to follow. This keto buttercream frosting is one of the best keto frosting recipes you can find. It is low-carb, gluten-free, sugar-free, and delicious.

It is perfect for decorating keto cookies, cakes, cupcakes, and more. You can customize it with food coloring, sprinkles, or other decorations. It is also easy to make with only five ingredients and a hand mixer or a stand mixer.

If you try this keto royal icing buttercream recipe, please let me know how it turned out in the comments below. I’d love to hear from you and see your creations.

You can also share your photos on Instagram and tag me @coachrallyrus. Don’t forget to check out my other keto recipes and tips on my blog.

Thank you for reading and happy baking!

Best Keto Royal Icing Buttercream Recipe Sugar Free Frosting

5 from 1 vote
Recipe by Rally Rus Course: DessertCuisine: AmericanDifficulty: Easy
Servings

24

servings
Prep time

10

minutes
Cooking time

0

minutes
Calories

475

kcal
Net Carbs

0.68

grams
Total time

10

minutes

Are you looking for a delicious and easy keto dessert recipe that will wow your guests and satisfy your sweet tooth? If so, you’re in luck! Today, I’m going to share with you one of my favorite keto frosting recipes: keto royal icing buttercream.
This keto buttercream frosting is smooth, creamy, and perfect for decorating sugar cookies, cakes, cupcakes, and more. It has a rich vanilla flavor and a beautiful glossy finish. Plus, it’s low-carb, gluten-free, and sugar-free, so you can enjoy it without guilt.
Unlike traditional royal icing, which is made with powdered sugar and egg whites, this keto royal icing buttercream recipe uses swerve, butter, cream, and vanilla extract. 
The best part about this keto royal icing buttercream recipe is that it’s super easy to make. You only need five ingredients and a hand mixer or a stand mixer. You can whip it up in less than 10 minutes and use it right away or store it in an airtight container in the fridge for up to a week.

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Ingredients

  • 3 tablespoons 3 Swerve

  • 2 2 Egg Whites

  • 1/2 cup 1/2 Unsalted Butter

  • 2 tablespoons 2 Heavy Cream

  • 1/4 teaspoon 1/4 Sugar Free Vanilla Extract

Directions

  • In a small bowl, whisk the egg whites and swerve together until well combined. 
  • In a large mixing bowl, whisk the butter with an electric mixer or a stand mixer fitted with the paddle attachment until smooth and creamy.
  • Add the cream and vanilla extract and whisk again until well incorporated.
  • Gradually add the egg white mixture to the butter mixture, whisking on low speed until smooth and glossy.
  • Transfer the keto royal icing buttercream to a piping bag fitted with your desired tip and decorate your keto cookies or cakes as you like. You can also use a spatula or a knife to spread the frosting evenly.

Recipe Video

Notes

  • Enjoy your keto royal icing buttercream or store it in an airtight container in the fridge for up to a week.
  • You can also freeze it for up to 3 months and thaw it in the fridge before using.
  • Check the FAQ section below for more tips and swap ideas.

Nutrition Facts

  • Serving: 24g
  • Calories: 475kcal
  • Carbohydrates: 0.68g
  • Protein: 4.35g
  • Fat: 51g
  • Fiber: 0g

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Frequently Asked Questions (FAQ):

Q: Can I use regular sugar instead of swerve?

A: No, regular sugar will add too many carbs and calories to the keto royal icing buttercream and will kick you out of ketosis. Swerve is the best choice for keto dieters. It has zero net carbs and zero glycemic index. You can also use other keto-friendly sweeteners like erythritol, monk fruit, or stevia. You may need to adjust the amount according to your taste and preference.

Q: Can I use cream cheese instead of butter?

A: Yes, you can make a keto cream cheese frosting by replacing the butter with 8 ounces of cream cheese. You’ll also need to reduce the amount of cream to 1 tablespoon and increase the amount of vanilla extract to 1/2 teaspoon. The keto cream cheese frosting will be thicker and tangier than the keto royal icing buttercream, but equally delicious.

Q: Can you freeze buttercream frosting? 

A: Yes, you can freeze buttercream frosting for up to 3 months in an airtight container or freezer bag. The day before you’re ready to use it, let it thaw in the refrigerator overnight. Then bring it to room temperature before re-whipping again. This will help to restore its smooth and creamy texture. You can also add a little more cream or water if the frosting is too thick. Or a little more swerve or powdered sweetener if the frosting is too thin. Freezing buttercream frosting is a great way to save time and avoid food waste. 

Q: Can I use coconut oil instead of butter?

A: Yes, you can make a vegan frosting by replacing the butter with 1/3 cup of coconut oil. You’ll also need to replace the egg whites with 2 tablespoons of meringue powder and 6 tablespoons of water. The cream with 2 tablespoons of coconut milk. The vegan frosting will be softer and more coconutty than the keto royal icing buttercream, but still tasty.

Q: Is it safe to use raw egg whites in the frosting?

A: Yes, it is safe to use raw egg whites in the keto royal icing buttercream. As long as you use the best quality eggs you can find and store the frosting in the fridge. However, if you are concerned about the use of raw egg whites, you can also use pasteurized egg whites or meringue powder instead. Pasteurized egg whites are egg whites that have been heated to kill any bacteria. While meringue powder is a dried egg white product that can be reconstituted with water.

Q: How can I make the frosting thinner or thicker?

A: If you want to make the keto royal icing buttercream thinner, you can add a little more cream or water, one teaspoon at a time, until you reach the desired consistency. If you want to make it thicker, you can add a little more swerve or powdered sweetener, one tablespoon at a time, until you reach the desired consistency. You can also chill the frosting in the fridge for a few minutes to make it firmer.

Q: How do I store the keto royal icing buttercream?

A: You can store the keto royal icing buttercream in an airtight container in the fridge for up to a week, or in the freezer for up to 3 months. To use it after refrigerating or freezing, let it come to room temperature and whisk it again to restore its consistency.

Q: Can I use other flavors besides vanilla?

A: Yes, you can use other extracts or flavorings to change the flavor of the keto royal icing buttercream. For example, you can use almond, lemon, peppermint, or coconut extract. You can also add some cocoa powder or melted chocolate to make a chocolate buttercream, or some cream cheese to make a cream cheese buttercream.

Q: Can I use other sweeteners besides swerve?

A: Swerve is the best sweetener for this recipe, as it has a similar taste and texture to powdered sugar, and it doesn’t crystallize or become grainy. You can also use other keto-friendly powdered sweeteners, such as erythritol, monk fruit, or stevia. You may need to adjust the amount according to your taste and preference. However, some sweeteners may not dissolve well or may affect the texture of the buttercream, so you may need to experiment to find the best results.

Q: How to fix buttercream frosting that is runny?

A: Runny buttercream frosting can be caused by using too much liquid, having a too-hot kitchen, or overbeating the frosting. To fix it, you can try adding more powdered sugar, chilling the frosting in the refrigerator, or using a warm ingredient to balance the temperature.

Q: How to fix grainy buttercream frosting?

A: Grainy buttercream frosting can be caused by using unsifted powdered sugar, too soft fat, or cold ingredients. To fix it, you can try re-whipping the frosting, adding more liquid, or warming the frosting over a double boiler.

Q: How to fix split buttercream?

A: Split buttercream is when the fat and water in the buttercream separate, resulting in an oily and lumpy texture. This can be caused by temperature differences, incorrect ratios, or incompatible ingredients. To fix it, you can try re-whipping the frosting, adding more fat or sugar, or using an emulsifier. 

Q: How to store buttercream icing?

A: Buttercream icing can be stored in an airtight container in the refrigerator for up to 2 weeks or in the freezer for up to 3 months. Before using, let it come to room temperature and re-whip to restore its creamy texture.

Q: What does buttercream frosting taste like?

A: Buttercream frosting tastes like a sweet, creamy, and buttery icing that melts in your mouth. It can be flavored with various extracts, such as vanilla, almond, or lemon, or with other ingredients, such as cocoa, peanut butter, or fruit. The flavor and texture of buttercream frosting may vary depending on the type and ratio of ingredients used.

Q: Whipped icing vs buttercream?

A: Whipped icing and buttercream are both types of frosting that can be used to decorate cakes and cupcakes. The main difference between them is their texture and flavor. Whipped icing has a soft and airy texture, and it tastes like milk, while buttercream is creamy and more firm and it has a rich, buttery flavor.

These differences will also affect the way you can use these two frostings. Buttercream frosting holds better than whipped icing. It can be used to decorate cakes or to be spread between cake layers. Whipped icing is lighter and more delicate, and it can be used to cover cakes or to pipe borders.

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5 from 1 vote

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