Preheat oven to 350 degrees. Grease a cake pan (see note) and set aside.
In a stand mixer or large bowl, mix the dry ingredients.
On low speed, add the eggs one at a time. Mix well after each egg.
Add vanilla extract and mix again.
Slowly add the melted butter continue mixing until well combined. Scrape the sides and mix again, if needed.
Transfer the batter to the prepared pan. Bake for 25 to 30 minutes or until a toothpick comes out clean.
Let cool for 10 minutes on a wire rack before flipping out of pan. Let cool completely before adding frosting.
In a medium bowl, beat the cream cheese and butter until fluffy.
Add the powdered sweetener and mix.
Add the cocoa powder and mix.
Add the heavy cream and vanilla and mix until fully combined.
Spread frosting over cake using an offset spatula.
Video
Notes
Here are suggested bake times for various cake pan sizes:8" round- 25 to 30 minutes 9" round- 20 to 25 minutes 12 cup muffin/cupcake- 12 to 15 minutes 8x8 square- 25 to 30 minutes 9x13 sheet- 15 to 20 minutes bundt- 25 to 30 minutesKeep cake covered in the refrigerator up to one week. The cake is best served room temperature. Let your piece of cake sit on the counter for 10 to 20 minutes for the best experience.