Please see my super fast video guide directly above to see how easy this easy first.
Soak the walnuts overnight to soften them of for a few hours. You can also blend without soaking (the nuts are just a little harder that's all) if you forget or don't have time to soak ahead).
Drain and then rinse with water.
Put into a blending jug and then add about 750ml (3 cups approximately) of pure water and then blend for around one minute. This works in a cheap blender or a high powered blender.
Strain the blended milk through a nut bag (see links below) and squeeze.
Pour into a glass bottle, jug or jar. Pop on the lid and then chill it in the fridge.