Add all the ingredients to a saucepan and bring to a simmering boil over medium low heat. Add in the optional ingredients if using. Continue to simmer for 6 to 8 minutes. Add in sweet if needed. Strain and serve. Add some lemon slices if needed.
Or chill and serve over ice cubes as iced tea.
Variations: Add a tsp of loose tea. Add herbs and spices of choice.Nutritional information based on 1 serving