Soak the almonds overnight in cold water. Drain the almonds, rinse with cold water.
Puree the almonds in a blender along with 500 ml of fresh water and salt.
Pour the almond mixture through a cheesecloth.
The residue from the almonds can be kept, left to dry out completely and used to make crackers. See recipe: Nut crackers.
Pour the almond drink into a clean bottle that has been rinsed with hot water.