Prepare: Wash the soy beans very well.
Put soy bean into a large bowl and add 3 times more water.
Let soak for 18 hours.
SECOND:
Make a creamy paste. Drain the soybeans.
Add 4 cups of fresh water.
Put soybeans into a blender.
Blending it to a creamy and smooth paste.
THIRD:
Boil it. Place all into the large heavy pot.
Cook it over medium heat until boil, stir often.
Take all the foamy bubbles out from the top.
Simmer for 10 minutes.
FORTH:
Strain it. Line a colander with cheese cloth and place over a large bowl.
Pour it very slowly.
Twist the cheese cloth and squeeze out as much liquid as possible.
That liquid is soy milk.
The left over in the cheese cloth is called Okara (soy pulps).
Use it make some Soy Brownies.