Take an 8-inch baking pan and grease with butter

Add butter and chocolate pieces to a bowl and heat for 2 minutes in the microwave

Mix in Erythritol and cream and stir gently

Whisk in egg yolks and beat

Beat egg whites in another bowl and season with salt, keep mixing until stiff peaks form

Add the egg white foam to your chocolate mixture and mix gently

Spread the batter over your greased baking dish

Bake for 45 minutes at 325 degrees F

Let it cool and chill for 4 hours

Serve and enjoy!