Soak 1 cup raw almonds in water for 8 to 12 hours
Drain and rinse the almonds
Add the soaked almonds to a blender
Add 4 cups fresh water
Blend on high for 1 to 2 minutes
Strain the mixture through a nut milk bag, cheesecloth, or fine mesh strainer
Squeeze out as much liquid as possible
Transfer the almond milk to a clean container
Refrigerate and shake before using
Add sweetener, vanilla, or salt if desired