1. Soak gelatin in 70 ml of milk.
2. Sugar, cocoa, salt, and put the rest of the milk in a saucepan on a small fire. Stir and cook until boiling and the sugar is dissolved about 5 minutes.
3. Immediately pour the milk with gelatin and mix well. Add vanilla.
4. Put in the freezer without a lid for 15 minutes, then close the cling film and keep up to 3-4 hours of solid chocolate.
5. Before serving, can be whipped pudding hand mixer until smooth silky texture.
6. Arrange for kremanki and serve.