Step 1

Stir the vanilla and brown sugar into the cold water until dissolved.

Step 2

Add the oats, salt, and water mixture to a blender. Blend on high for 30 seconds.

Step 3

Pour the blended oat mixture through a strainer like a nut bag, cheese cloth, metal coffee filter, or a double layer of metal sieves to filter out the oat pieces.

Step 4

Chill the oat milk completely (preferably overnight), then shake very well before serving. Keep the oat milk refrigerated for up to four days.