Measure 1 ½ cups of water with a demitasse cup and add the water to the Briki.
Add 2 heaping teaspoons of ground Greek coffee to the Briki.
Add the appropriate amount of sugar (optional).
Stir the mixture until the coffee is dissolved completely.
Place the Briki over medium-low or medium heat. Let the coffee heat for about 3 minutes
Remove the Briki from the heat when the foam reaches the top.
Evenly distribute the foam amongst the Demitasse cups.
Pour the rest of the coffee into the demitasse cups.
Serve each coffee cup with a cold glass of water.