This moist and fluffy lemon cake with a smooth and creamy strawberry frosting is one of the best low carb cakes you will ever make!  The combination of these two flavors is an absolute match made in heaven.

Jump to:

• What's in Keto Strawberry Lemonade Cake
• How to Make Keto Strawberry Lemonade Cake
• Tips for Freezing Keto Cake
• Is Cake with Almond Flour Keto?
• What is Oat Fiber? Is Oat Fiber Keto?
• What is a Substitute for Oat Fiber?
• How Many Carbs in Strawberries?
• More Keto Strawberry Recipes
• More Keto and Low Carb Desserts

This beauty is a complete show stopper. The gluten free lemon cake layers are tender and fluffy and have the most amazing lemon flavor while the unbelievably delicious strawberry frosting incases them with a burst of flavor with every single bite.

The perfect balance of sweetness from the strawberry sugar free frosting and the tanginess of mouth watering lemonade cake layers, makes this the perfect recipe for a fresh and summery dessert.

This amazingly flavorful cake is perfect to serve at your next special occasion dinner or use as a low carb birthday cake. Even those who aren't following a Keto diet will love this cake, trust me on this!

What's in Keto Strawberry Lemonade Cake

• Almond flour
• Oat fiber
• Swerve confectioners
• Eggs
• Sour cream
• Heavy cream
• Lemons
• Baking powder
• Vanilla extract
• Salt
• Cream Cheese
• Butter
• Strawberries
• Optional: Freeze Dried Strawberries

*Exact measurements are listed in the recipe card below.

How to Make Keto Strawberry Lemonade Cake

To Make the Gluten Free Lemonade Cake

Preheat oven to 350F.

In a mixing bowl, add in the almond flour, oat fiber, baking powder and salt.  Whisk until well combined and set aside.

In another bowl, add in the egg white and beat using a hand mixer until you have stiff peaks, then set aside.

In a third bowl, add in the egg yolks, Swerve confectioners, sour cream, heavy cream, vanilla extract, lemon juice and zest, then mix until well combined.

Add in the egg whites and mix.

Then add in the dry ingredients and mix until everything is well combined, but do not over mix.

Pour the batter into 2 greased 9' round cake pans lined with parchment paper rounds (which are also great to use in the air fryer!).

Using an offset spatula, spread the batter evenly and bake for 25-30 minutes or until a toothpick, when inserted, comes out clean.

Allow to cool completely while you make the frosting.

To Make the Keto Strawberry Frosting

Add the heavy cream to a mixing bowl and whip using a hand mixer till you get stiff peaks, then set aside.

In a separate bowl add in the cream cheese, butter and Swerve confectioners.  Whip until well combined and fluffy.  

Add in the pureed strawberries, vanilla extract and the (optional) ground freeze dried strawberries and mix well.

Mix in the whipped cream and continue mixing until there are no more streaks and the frosting is light and fluffy.

To Assemble the Cake

Take the first cake and put in on your cake platter or plate rightside up.  Add a little less than half the frosting and spread evenly using an offset spatula.  Add the second cake layer over the top, upside down, which will ensure the cake is level. 

Add most of the remaining frosting over the top, spreading it out evenly over the top and over the sides a little.  Using the remaining frosting to cover the sides of the cake.

Now you can serve the cake as is, or you can decorate the top with sliced strawberries and/or lemon any way you like.

The finished cake is absolutely stunning and would be the perfect Keto birthday cake for that someone special, for a baby shower, wedding shower or just for a little something extra after Sunday lunch.

Tips for Freezing Keto Cake

If you find yourself with leftover cake, or even if you want to make this cake in advance for a future occasion, these tips will ensure your cake is as fresh as the day you baked it.

For freezing cake with almond flour baked in advance: Allow the layers to cool completely. Whatever you do, don't wrap up a warm cake. That'll create moisture and moisture will cause freezer burn.

If you have cardboard cake rounds, this will help the cake from breaking while transporting to the freezer and will help it stay together while storing.

Wrap each cooled cake round in double layers of plastic wrap. Place the wrapped layers on a sheet panand place in the freezer until completely frozen before stacking them on top of each other.

For freezing leftover cake with sugar free frosting: Set the frosted cake in the freezer on a plate or sheet pan for about 45 minutes to an hour. Remove it and wrap the frosted cake with double layers of plastic wrap followed by a layer of aluminum foil. Date the outside and store for up to a couple of months for optimal freshness.

Be sure and label the outside with the date you froze it. You can also follow this same method for freezing individual slices of frosted cake. To extend the freezer life even longer, follow the instructions to freeze the cake, then vacuum seal in a food saver storage bag to get all the air out.

To thaw frozen gluten free cake: Frozen cake will form condensation between the plastic wrap and the cake as it thaws. After it has been sitting out on the counter for about 30 minutes, gently remove the plastic wrap and place the cake under a cake dome, similar to this one, that is tall enough for the cake, to finish thawing.

To freeze left over frosting: Place the frosting in a freezer bag and squeeze out all the extra air. Wrap the freezer bag in aluminum foil and label it with the date. Store up to a couple of months in the freezer.

Is Cake with Almond Flour Keto?

Almond flour is a great flour substitute in cakes and other low carb desserts for those on Keto because it is gluten-free, low in carbs, and high in fiber, protein and fat.

What is Oat Fiber? Is Oat Fiber Keto?

Oat Fiber is made from grinding the outer husks of oats. How healthy is oat fiber? It's pure insoluble fiber, which doesn't dissolve in water and isn't broken down in the digestive tract, so it has zero net carbs and is perfect for a Keto Diet. It helps give a more traditional texture and that's why I use it so often. Check out all the Keto Oat Fiber Recipes you can make!

What is a Substitute for Oat Fiber?

To get the best results, it's best to use oat fiber if you can. If you're unable to find it, try a combination of psyllium husk powder and coconut flour. Since both are very absorbent, you might have to add more liquid.

How Many Carbs in Strawberries?

For one whole cup of strawberries, there're about 9 net grams of carbs. This Keto strawberry frosting recipe calls for just ½ cup (plus the freeze dried strawberries if you opt to use them).

About the Freeze-Dried Strawberries

While using the freeze dried strawberries is optional, it is HIGHLY recommended that you use it.  The reason being that it will take this frosting from good, to out of this world amazing.  No really, you won't believe the punch of strawberry flavor this gives the frosting. 

If you decide against using it, I would consider adding a more strawberry puree to the frosting, maybe another ½ cup or so.  The frosting will not have the same punch of flavor and won't be quite as thick, but will still taste great.

More Keto Strawberry Recipes

• Strawberry Meringue Cookies
• Strawberry Ice Cream
• Strawberry Cupcakes
• Cheesecake with Strawberry Sauce
• Strawberry Coconut Cream Mousse
• Strawberry Cream Tart
• Strawberry Shortcake Mug Cake

More Keto and Low Carb Desserts

• Blueberry Cheesecake Bars
• Snickerdoodle Cookies
• Mock Apple Pie Crumble
• Coconut Lime Cupcakes
• Pumpkin Coffee Cake
• Lemon Cheesecake Mousse
• Almond Joy Mousse

If you'd like to know more about baking on Keto, this article, Keto Baking Made Easy, is loaded with tips and info that you'll find helpful. You might also check out my Keto Sweet Treats eBook that has 50 amazing Keto dessert recipes, all with color pics, macros and more! I'm offering it at 50% off when you subscribe to my free weekly emails here.