1. Melt the chocolate in the cream and milk in a saucepan over low heat. Mix and remove from heat.
2. Separate the egg yolks from the egg whites, put each in a different bowl. Preheat the oven to 180°C (350°F). Beat the egg yolks and sugar together with a whisk until the mixture is light and pale.
3. Add the chocolate, milk, and cream mixture, mix. Then add the cornstarch and coconut flour, stir again.
4. Put a pinch of salt in the egg whites and beat them until stiff peaks form.
5. Gently fold the beaten egg whites into the mixture using a spatula. Pour the mixture into a greased pan, if it's not silicone.
6. Bake for 18 minutes, checking the doneness with the tip of a knife.