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    Home / Keto Cake

    Keto Cake

    Dom Lorenzo
    by Dom Lorenzo
    Updated: May 26,2025
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    Jump to Recipe Print Recipe

    This Keto Cake has everything you could ask for in a sugar-free birthday cake — moist, fluffy texture and that perfect vanilla flavor to satisfy your sweet tooth. Of course, it is keto, sugar-free, and gluten-free with low-carb content, but it won't taste like that. In fact, your guests won't be able to differentiate between it and a regular cake. It's that delicious!

    A slice of keto cake topped with sliced strawberries served on a white plate.

    Preparation and Cooking Overview

    This keto cake recipe has been our go-to dessert for years since it is incredibly easy to whip up at home. First, you bake an almond flour bread and then prepare a silky cream cheese frosting. Finally, assemble the layers and enjoy a sugar-free dessert in less than an hour.

    Chef's note

    This cake recipe is customizable and can be flavored in various ways. Add cocoa powder to the batter for a chocolate version, lemon zest for a citrusy twist, or even mix some keto-friendly chocolate chips for added texture. The choice is all yours!

    • Prep Time: 10 minutes
    • Cooking Time: 25-30 minutes
    • Total Time: 35-40 Minutes
    • Difficulty Level: Easy
    • Recipe Makes 8 Servings

    Ingredients for this Keto Cake Recipe

    This keto cake is made with simple, wholesome ingredients you probably already have in your kitchen. But unlike most keto cake recipes, we’re skipping coconut flour in this one since coconut flour tends to hold more moisture, and that can make the batter too wet.

    So, what’s used in this perfectly moist and fluffy keto cake? Let’s break it down:

    For the cake

    • 1 ¾ cups almond flour
    • ½ cup granulated erythritol
    • 1 teaspoon baking powder
    • ¼ teaspoon salt
    • ½ cup unsweetened almond milk
    • ¼ cup melted butter or coconut oil
    • 3 large eggs
    • 1 teaspoon vanilla extract

    For frosting

    • 4 oz cream cheese, softened
    • ¼ cup unsalted butter, softened
    • ½ cup powdered erythritol
    • 1 teaspoon vanilla extract
    • 1-2 tablespoons heavy cream

    Ingredient Substitutions

    • Erythritol: Swap erythritol with your favorite keto sweeteners like monk fruit sweetener or stevia.

    Additional Ingredients

    • Cocoa powder: If you love chocolate cake, add ¼ cup of cocoa powder to the dry ingredients.

    Cooking Equipment Required

    • Measuring cups and spoons
    • Mixing bowl
    • Electric mixer
    • Parchment paper
    • Spatula
    • 8-inch round cake pan

    How to Make Keto Cake: Step-by-Step Guide

    Cooking Methods

    • Baking

    Preparation Steps

    1. Gather and measure all the ingredients.
    2. Grease an 8-inch round cake pan and line the bottom with parchment paper.

    Cooking Instructions

    Bake the cake

    1. Preheat your oven to 350°F (175°C).
    2. In a large mixing bowl, whisk together the dry ingredients, namely almond flour, erythritol, baking powder, salt, and cocoa powder if using.
    3. In a separate bowl, beat the eggs, then add the almond milk, melted butter, and vanilla extract. Mix until well combined.
    4. Gradually add the wet ingredients to the dry ingredients, mixing until you have a smooth batter.
    5. Pour the batter into the prepared cake pan and smooth the top with a spatula.
    6. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean.
    7. Let the cake cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.

    Make the frosting

    1. Blend cream cheese, butter, and vanilla extract in a bowl until smooth.
    2. Gradually mix in the erythritol. Thin out the frosting to your desired consistency by mixing in heavy cream.

    Frost the cake

    1. Spread the frosting evenly over the completely cooled cake and set in the chiller for at least an hour before serving.

    Chef’s Pro Tip

    To ensure a smooth consistency in your keto cake, use room-temperature ingredients, especially eggs and almond milk. It will help mix the batter more evenly and easily.

    What to Serve with Keto Cake

    Once you've frosted your keto cake, there are plenty of ways to elevate its presentation and pair it with complementary flavors. Here are some ideas to serve it like a pro:

    Toppings

    • Fresh berries: Add a burst of natural sweetness and color with raspberries, blackberries, or sliced strawberries. These low-carb fruits pair perfectly with the cake's rich flavor.
    • Dusting of powdered erythritol: A light sprinkle over the frosting adds a beautiful, snow-like finish.
    • Keto-friendly chocolate shavings: Grate some sugar-free dark chocolate on top for a touch of decadence.

    Side pairings

    • Whipped cream: Serve a dollop of unsweetened or lightly sweetened keto whipped cream on the side.
    • Sugar-free berry cobbler: Pair the cake with a serving of tarty, flavorful cobbler for an indulging experience.

    What Can I Prepare Ahead of Time

    • Cream cheese frosting: The frosting can be prepared ahead of time and stored in the refrigerator until ready to use.

    Can I Store This Keto Cake?

    Keto cakes store beautifully, making them a convenient dessert to prepare ahead and enjoy later. Follow these storage tips for the best results.

    • To refrigerate: Keep leftover keto cake in an airtight container in the refrigerator for up to 3 days. This preserves its freshness and keeps the frosting firm.

    When you're ready for a slice, thaw it in the refrigerator for a few hours or at room temperature for about 20–30 minutes. You’ll always have a keto-friendly treat ready when the craving strikes!

    Recipe Wrap-Up and Conclusion

    This Keto Cake Recipe is a delightful treat that fits perfectly into your low-carb lifestyle. Whether you are celebrating a special occasion or just treating yourself, this cake offers the perfect balance of sweetness and satisfaction without the carbs. Try it out, and you'll find it’s a keto dessert worth making repeatedly!

    Want more keto cake recipes? Check out these variations:

    • Keto Vanilla Cake
    • Keto Mocha Chocolate Cake
    • Keto Chocolate Molten Lava Skillet Cake 

    Frequently asked questions

    Keto cake is made with low-carb ingredients like almond flour, erythritol (or other keto sweeteners), and high-fat ingredients such as butter or cream cheese.

    Almond flour is the best choice for this recipe. It provides the ideal texture and moisture for a gooey, buttery cake. Coconut flour or other substitutes won’t work the same way and are not recommended for this recipe.

    Not if you are following a keto diet. However, if you aren't in keto and want a regular birthday cake, you can use granulated sugar.

    Yes, you can. To make cupcakes, pour the batter into a lined muffin tin, and bake at 350°F for about 25 minutes. To make a layer cake, double the recipe for two layers and assemble.

    Yes, you can use other keto-friendly sweeteners like allulose, inulin, or erythritol blends (erythritol + stevia or erythritol + monk fruit). If you’re not on a keto diet, you can also use regular sugar or coconut sugar.

    📖 Recipe

    A slice of keto cake topped with sliced strawberries served on a white plate.

    Keto Cake

    This moist and fluffy Keto Cake, topped with creamy frosting, is the ultimate low-carb treat that’s so good, no one will guess it’s sugar-free!
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    Course: Dessert
    Cuisine: American
    Prep Time: 10 minutes minutes
    Cook Time: 30 minutes minutes
    Total Time: 40 minutes minutes
    Servings: 8
    Calories: 304kcal

    Ingredients

    For the cake

    • 1 ¾ cups almond flour
    • ½ cup granulated erythritol
    • 1 teaspoon baking powder
    • ¼ teaspoon salt
    • ½ cup unsweetened almond milk
    • ¼ cup melted butter or coconut oil
    • 3 large eggs
    • 1 teaspoon vanilla extract

    For frosting

    • 4 oz cream cheese softened
    • ¼ cup unsalted butter softened
    • ½ cup powdered erythritol
    • 1 teaspoon vanilla extract
    • 1-2 tablespoons heavy cream

    Instructions

    Cooking Instructions

      Bake the cake

      • Preheat your oven to 350°F (175°C).
      • In a large mixing bowl, whisk together the dry ingredients, namely almond flour, erythritol, baking powder, salt, and cocoa powder if using.
      • In a separate bowl, beat the eggs, then add the almond milk, melted butter, and vanilla extract. Mix until well combined.
      • Gradually add the wet ingredients to the dry ingredients, mixing until you have a smooth batter.
      • Pour the batter into the prepared cake pan and smooth the top with a spatula.
      • Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean.
      • Let the cake cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.

      Make the frosting

      • Blend cream cheese, butter, and vanilla extract in a bowl until smooth.
      • Gradually mix in the erythritol. Thin out the frosting to your desired consistency by mixing in heavy cream.

      Frost the cake

      • Spread the frosting evenly over the completely cooled cake and set in the chiller for at least an hour before serving.

      Nutrition

      Nutrition Facts
      Keto Cake
      Amount Per Serving
      Calories 304 Calories from Fat 252
      % Daily Value*
      Fat 28g43%
      Saturated Fat 10g63%
      Trans Fat 0.5g
      Polyunsaturated Fat 1g
      Monounsaturated Fat 4g
      Cholesterol 102mg34%
      Sodium 215mg9%
      Potassium 115mg3%
      Carbohydrates 7g2%
      Fiber 3g13%
      Sugar 2g2%
      Protein 9g18%
      Vitamin A 549IU11%
      Vitamin C 0.01mg0%
      Calcium 127mg13%
      Iron 1mg6%
      *

      Nutritional values are estimates only and do not include carbs from sugar alcohols.

      # Hashtag with us!Don't forget to mention @castiron_keto or tag #castironketo on Instagram with your creations! We love seeing what you're making.
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