High Protein Low Calorie Chantilly Cake

1. Combine cake ingredients. 2. Bake at 350°F for 15-18 minutes (until a toothpick comes out clean), do not overbake! 3. While the cakes cool, combine cream cheese, sugar substitute, and cream of tartar, and then fold in the Cool Whip for the frosting. 4. Add frosting to cakes, layering with berries and topping with any remaining frosting and berries. 5. Enjoy!