If you’re using the shell, wash the outside of the egg before cracking it, particularly if the egg came from a source where the shell hasn’t already been cleaned.
The shell is traditionally part of the mixture, so cleanliness matters.
Step 2: Bring the Water to a Boil
Pour 3 cups of water into a saucepan and bring it to a boil.
Once the water is bubbling steadily, carefully add the coffee-and-egg mixture.
It may foam up and look rather unusual.
That’s completely normal.
Give it a gentle stir if
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