This is the Secret Ingredient Grandma Used for Her Coffee

The result is a strikingly clear, grit-free cup with none of the

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barely perceptible, yet undeniably comforting.

 
How to Brew It the Traditional Way
Ingredients:

 

Ingredients:

 

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