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Keto Birthday Cake

5 from 11 votes

This soft, moist, and fluffy keto birthday cake is the perfect low carb answer to classic vanilla birthday cake.

Keto Birthday Cake Recipe

Low Carb Birthday Cake

It’s seriously so much better than boxed yellow cake mix.

This completely flourless birthday cake can be dairy free, gluten free, and sugar free, with no coconut flour required – and just 5 ingredients.

The recipe is easy to make at home, so if you’re following a low carb diet, or even if you aren’t following a special diet but simply want to try something fun and new, definitely give this low carb birthday cake a try.

Also try this Keto Cheesecake – Reader Favorite Recipe

The Best Chocolate Keto Cake Recipe

Here’s the chocolate version –> Keto Cake Recipe

For A Sugar Free Cake

If you want a sugar free birthday cake, use granulated erythritol or xylitol. Regular sugar or coconut sugar are also fine to use if you don’t care about the cake being sugar free.

Note for those who have requested a diabetic birthday cake:

The first time I made this cake was for a diabetic friend, and while I know many with diabetes use my recipes and often write in to mention appreciating the keto recipes in particular, since everyone is different I always recommend asking your doctor if a recipe, such as this sugar free cake, is suitable for your own personal dietary needs.

For A Vegan Birthday Cake

Low carb cake recipes usually call for eggs, but doing a vegan version is surprisingly easy. You can mix 2 tbsp Bob’s egg replacer with 100 grams of water (1/3 cup + 2 1/2 tbsp) and then let it sit for a few minutes to thicken before using it as the eggs in the recipe.

Or flax eggs also work. (For a double layer cake, use 4 tbsp egg replacer mixed with 200 grams of water, or 3/4 cup + 1 1/2 tbsp. This water is in addition to the amount listed in the recipe ingredients.)

You May Also Like: Keto Pancakes – No Flour Required

Sugar Free Birthday Cake For Diabetics Or Low Carb Diet

I frosted the cake with my Chocolate Cream Cheese Frosting.

Feel free to decorate the birthday cake any way you wish, such as with Coconut Whipped Cream, homemade or store-bought vanilla icing, Keto Chocolate Mousse or Vegan Chocolate Mousse, or a scoop of Keto Ice Cream.

Keto Vanilla Cake Recipe

Above – watch the video of how to make a keto birthday cake

Flourless Low Carb Birthday Cake
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Keto Birthday Cake

A soft and fluffy keto birthday cake that's perfect for birthday parties or any time you need a basic vanilla low carb cake.
Cook Time 20 minutes
Total Time 20 minutes
Yield 8 slices
5 from 11 votes


  • 2 cups fine almond flour (235g)
  • 4 tbsp granular erythritol or regular sugar
  • 1/2 cup water or milk of choice
  • 2 large eggs, including the vegan options listed earlier in the post
  • 1 tbsp baking powder
  • 1/2 tsp salt


  • *For a double layer cake, simply double the recipe and bake in two 8-inch pans.
    Preheat oven to 350 F. Grease an 8-inch pan well, or line up the sides with parchment. Stir all ingredients together very well. Spread into the pan. If the top is bumpy, you can press a second sheet of parchment over top to smooth it down. Bake 20 minutes (or until no longer gooey) on the center rack. Let cool completely before going around the sides with a knife and carefully inverting. I linked a few frosting recipes earlier in the post, or use your favorite. If you make the recipe, be sure to rate it below!
    View Nutrition Facts


It doesn’t rise much, but that’s ok – when you’re cake decorating, often they specifically have you cut off the domed part of a cake, so this saves you having to do that step, and you’re not wasting any cake!
The recipe was adapted from these Keto Muffins and this Keto Carrot Cake.

Have you made this recipe?

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Published on May 30, 2021

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