You're going to be surprised by how easy this is.
1 cup raw almonds (not roasted)
5 1/2 cups filtered water — 2 cups for soaking the nuts, 3 1/2 cups for blending
3 to 4 pitted dates OR 1 tablespoon honey or maple syrup (optional, to taste)
3 pieces vanilla bean, thinly sliced crosswise OR 1 tablespoon vanilla extract OR 2 teaspoons vanilla bean paste (optional, if you'd like vanilla-flavored milk)