This keto red velvet cake is unbelievably soft, moist, and tender, with a rich cocoa flavor and the most creamy cream cheese frosting layered between each bite. After testing a few versions over the years, this is the recipe I keep coming back to because it actually tastes like real red velvet cake, not a dry low carb version. The texture stays soft, the frosting is perfectly smooth and tangy, and each slice has only 4g net carbs.
Preheat the oven to 350°F / 180°C. Line the bottom of two 9-inch round cake pans with parchment paper, then grease the sides well. Set aside.
In a large mixing bowl, beat the softened butter and powdered sweetener together until smooth, creamy, and lighter in color.
Add the eggs one at a time, mixing well after each addition.
Reduce the mixer speed, then add the apple cider vinegar, vanilla extract, and heavy whipping cream. Mix until combined.
Add the almond flour in batches, mixing on low speed after each addition.
Add the coconut flour, cocoa powder, and baking powder. Mix until the batter is smooth, slightly thick, and silky.
Add the red food coloring, a little at a time, until you reach your desired color. The amount may vary depending on the type and brand of food coloring you use.
Divide the batter evenly between the prepared pans and smooth the tops.
Bake for 20 to 25 minutes, or until the tops look set and a toothpick inserted into the center comes out mostly clean with a few moist crumbs.
Remove the cake layers from the oven and let them cool completely in the pans before frosting.
Make the Keto Cream Cheese Frosting
In a large bowl, beat the cream cheese, softened butter, powdered sweetener, and vanilla extract on medium speed for about 3 minutes, or until the frosting is smooth, airy, and creamy.
Assemble and Frost the Cake
Place one cake layer on a serving plate or cake stand. Spread about half of the frosting over the top.
Add the second cake layer, then spread the remaining frosting over the top and sides of the cake using an offset spatula or icing spatula.
Refrigerate the cake for at least 60 minutes before slicing. This helps the frosting firm up and makes the cake easier to cut.
Slice and serve.
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Notes
Use powdered sweetener in both the cake and frosting for the smoothest texture.
Make sure the eggs, butter, cream cheese, and heavy cream are at room temperature before starting.
Use blanched superfine almond flour for the softest cake texture.
Don’t overbake the cake layers. Keto cakes can dry out quickly, so remove them when the center is set and a toothpick comes out mostly clean with a few moist crumbs.
The food coloring is optional for flavor, but it gives the cake its classic red velvet look.