Soak the cashews in water for at least four hours or boil them for 15 minutes, until they’re soft and puffy.
Add the water, pumpkin puree, maple syrup, pumpkin pie spice, vanilla, and salt to a high powered blender or your Almond Cow machine (follow the instructions for the Almond Cow), and blend on a high speed until the milk is smooth and creamy. You shouldn’t see or taste any pieces of the nuts. If you do, keep blending.
The Nutrition Facts are an estimate only. To speed up the process, you can boil the nuts for approximately 15 minutes, or until they’re soft and puffy. The milk will separate when it sits, just shake or whisk to blend again.