Prepare a double boiler and melt butter and chocolate until mixed

Add the half cup of Erythritol and mix on low heat until dissolved

Remove heat

Separate your eggs, beat whites with ¼ Erythritol until stiff peaks appear

Add egg yolks in a bowl and mix with ¼ Erythritol until you have a pale mixture

Add egg yolk and mix

Add ½ cocoa, salt, and vanilla until mixed

Add egg whites and start mixing

Take a baking pan and grease it, pour the mixture into baking pan and bake for 35 minutes at 350 degrees F

Garnish with more natural sweetener and enjoy!