Homemade Ink(This Recipe Is Dedicated To All Teachers Everywhere.) - cooking recipe

Ingredients

walnut shells
vinegar
water
salt

Preparation

Crush several empty walnut shells into very small pieces.
In a saucepan, cover the shells with boiling water.
Simmer until the liquid is very dark brown.
Add some salt and vinegar (this will \"set\" the color).
Strain the ink through a piece of cheesecloth into a jar.
You can use this ink in any pen that dips or fills with ink.