1. Bring water to rapid boil.
2. Pour 1 cup of boiling water in a teapot and divide 1 cup of boiling water into 4 teacups. Swirl the water around in the teapot and cups for a minute to warm them.
3. Empty the water from the teapot and cups, place mugwort and tea leaves in the teapot, and pour the remaining water. Steep for 4-6 minutes.