pot. Pour in the cold water and stir gently to combine.
Place the pot over medium heat and bring it slowly to a near-boil. Watch for tiny bubbles to form around the edges—about five to seven minutes—but do not let it reach a rolling boil.
Remove from heat and carefully pour in half a cup of cold water. This sudden temperature drop encourages the coffee grounds and egg mixture to sink to the bottom. Let it rest, undisturbed, for five minutes.