Keto Cloud Cake

Why Intermediate? This recipe requires folding whipped egg whites into a dense cream cheese base. If you’ve never folded meringue before, don’t worry—I’ll walk you through it. The result is worth the careful technique.

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Ingredients

For the Cake:

• 8 oz (226g) full-fat cream cheese, softened

• ½ cup (113g) unsalted butter, softened

• ¾ cup (150g) granulated erythritol or allulose (monk fruit blend works well)

• 4 large eggs, separated (yolks in one bowl, whites in another)

• 1 tsp vanilla extract

• ½ tsp almond extract (optional, but adds complexity)

• 1 ½ cups (150g) super-fine almond flour

• 1 tsp baking powder

• ¼ tsp salt

For the Optional Cloud Frosting:

• 1 cup heavy whipping cream

• 2 tbsp powdered erythritol (confectioners style)

• ½ tsp vanilla extract

Special Equipment:

• Stand mixer or electric hand mixer

• 8-inch or 9-inch springform pan (do not use a dark non-stick pan; light-colored or aluminum is best)

• Parchment paper

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Instructions

Phase 1: Preparation (Intensity: Low)

1. Preheat and Prep: Preheat your oven to 325°F (163°C) . Cut a circle of parchment paper for the bottom of your springform pan. Lightly grease the sides of the pan with butter or coconut oil. Do not grease the parchment paper.

2. Separate Eggs: This is the most critical step. Separate your eggs while they are cold—it’s easier. Place the whites in a clean, dry, grease-free metal or glass bowl. Place the yolks in a separate large mixing bowl. If even a speck of yolk gets into the whites, they will not whip properly.

Phase 2: The Base (Intensity: Medium)

3. Cream the Fats: In your large mixing bowl (with the yolks), beat the softened cream cheese and butter together using a hand mixer on medium speed until completely smooth, pale, and fluffy—about 2 minutes.

4. Sweeten and Flavor: Add the granulated sweetener (erythritol/allulose) to the butter mixture and beat until combined. Add the egg yolks one at a time, mixing well after each addition. Scrape down the sides of the bowl with a spatula. Mix in the vanilla and almond extracts.

5. Add Dry Ingredients: In a separate small bowl, whisk together the almond flour, baking powder, and salt. Gradually add this dry mixture to the wet mixture, stirring until just combined. The batter will be thick—this is normal.

Phase 3: The Meringue (Intensity: High – Requires Focus)

6. Whip the Whites: Using your stand mixer with the whisk attachment (or a clean hand mixer with clean beaters), beat the egg whites on medium speed until they become foamy and soft peaks form. Note: If using erythritol, it can sometimes inhibit peaks, so be patient.

7. Stabilize: Gradually add the optional pinch of cream of tartar (if using) or simply continue beating. Beat until stiff peaks form. You should be able to turn the whisk upside down and the peak holds its shape without drooping. Do not over-beat until dry and grainy.

Phase 4: The Fold (Intensity: High – Critical)

8. Lighten the Base: Take about ⅓ of the whipped egg whites and vigorously whisk them into the thick cream cheese batter. This “sacrificial” fold lightens the density of the base, making it easier to fold in the rest without deflating.

9. Gentle Fold: Add the remaining egg whites to the bowl. Using a large, flexible rubber spatula, cut down the center of the mixture, scrape along the bottom of the bowl, and lift the batter up and over the top. Rotate the bowl a quarter turn and repeat. Do this gently until no white streaks remain. The batter should be airy and voluminous. Over-mixing will collapse your cloud.

Phase 5: Bake & Cool (Intensity: Low)

10. Bake: Pour the batter into the prepared springform pan. Smooth the top with your spatula. Bake for 35 to 40 minutes, or until the top is golden brown, springs back lightly when touched, and a toothpick inserted into the center comes out clean or with just a few moist crumbs.

11. The Crucial Cool: Remove the cake from the oven. This is not a cake you can flip or move immediately. Let it cool in the pan on a wire rack for at least 1 hour. Because of the whipped egg whites, the structure is fragile while hot. As it cools, it will settle slightly but retain its fluffiness. Once completely cool, run a thin knife around the edge and release the springform.

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The Final Touch: Cloud Frosting

While the cake is cooling, make the frosting.

1. In a chilled bowl, whip the heavy cream, powdered erythritol, and vanilla until stiff peaks form.

2. Frost the cooled cake, or serve slices with a dollop on top.

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Nutrition Information

Serving size: 1 slice (based on 10 slices, cake only)

Note: Nutrition facts are estimates and will vary based on specific brands of sweetener and dairy used. Sugar alcohols (erythritol/allulose) are subtracted from total carbs as they do not impact blood sugar for most individuals.

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Chef’s Notes & Troubleshooting

Why did my cake sink?
A slight dip in the center is normal, as this cake has no structural gluten. However, a major collapse usually means the egg whites were either under-whipped (not enough air to support the structure) or over-folded (the air was knocked out). Ensure your peaks are stiff and fold gently.

Can I use coconut flour?
I do not recommend a direct substitution. Coconut flour is highly absorbent and would require a different ratio of eggs and liquid. If you need a coconut flour version, look for a specific recipe designed for it.

Sweetener Swap:
I highly recommend allulose for this recipe if you can find it. Allulose caramelizes like sugar and tends to keep baked goods more moist than erythritol, and it doesn’t have the “cooling” aftertaste. If using erythritol, ensure it is finely ground.

Storage:
Store this cake in an airtight container in the refrigerator for up to 5 days. The texture is actually even better on day two, as the flavors meld. You can also freeze the unfrosted cake, wrapped tightly in plastic wrap and foil, for up to 3 months.