Pre-heat the oven to 350F. Grease an 8x8 cake pan.
Add all of the cake ingredients to a marge bowl and mix well with a stand mixer or electric mixer. Pour the batter into the cake pan and bake for 25 minutes or until the center springs back when touched.
Remove from the oven and let cool completely before icing.
For the Icing
Whip the whipping cream to stiff peaks with an electric mixer or stand mixer. Add in the swerve, vanilla, and cocoa powder. Continue mixing until just combined.
Frost the cake with the icing and serve. Store any leftovers in the refrigerator.
Nutrition per serving: 358 calories / 33g fat / 8g protein / 11g carbs / 6g fiber