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.