¾ cup coarse-ground coffee (French press grind works best)

Coffee
1 large egg, lightly beaten (shell included, finely crushed)
8–10 cups cold water
A pinch of salt (optional, but it enhances clarity)

Method:

Lightly tap the egg against the counter, crack it open, and place the yolk, white, and shell together in a small bowl. Beat lightly just to break it up.

 

Stir in the coarse coffee grounds until the mixture forms a thick, uniform paste.
Transfer the paste to a large enamel or stainless-steel pot. Pour in the cold water and stir gently to combine.
Place the pot over medium heat and