Yield: 2 1/2 cups
In an high-speed blender (Vitamix or similar), add cashews and water. Blend until completely smooth. Then add the pro-biotic powder and pulse in just to mix through.
Place in a quart size jar and seal with a lid. Ferment 8 hours in a warm place or until the mixture reaches desired tartness.
Store in the refrigerator in glass jar until ready to use.