Place the cashews, water, coconut milk, banana, maple syrup, vanilla, nutmeg, and salt into a blender and blend until smooth (Note 1).
1 cup raw cashews, 1 cup water, 1 cup full-fat coconut milk, 1 small overripe banana, ½ cup maple syrup, ½ teaspoon ground nutmeg, Pinch salt, 1 teaspoon vanilla extract