This method makes green tea that is not bitter, using green tea bags that are commonly available in US supermarkets.
Bring a kettle of water to a rolling boil. Remove from heat and pour into a mug.
Let the water stand for 3 minutes.
Put one green teabag into the cup.
Let the tea steep for 3 minutes.
Remove the teabag.
Let the tea rest for 3 minutes.
Enjoy your tea.