Coffee - cooking recipe

Ingredients

ground coffee (fresh)
pinch of salt
crushed egg shells

Preparation

For 30 cups of coffee, enough to feed small family, scoop 1 tablespoon for every 2 cups of fresh cold water.
Add a pinch of salt after all the coffee has been added.
Place crushed egg shells on top of ground coffee.
Plug in and allow 20 to 30 to perk.