Bring Water (4 cup) to boil in a medium saucepan.
Once water has boiled, remove saucepan from heat and add the Black Tea (15 bag). Steep for 15 minutes.
Discard tea bags and pour in the Granulated Sugar (1 cup). Stir till sugar is dissolved.
Pour tea into a pitcher and add Water (12 cup) depending on desired strength. Refrigerate till cold or approximately 4 hours.
Serve in a glass filled with ice and garnish with Fresh Mint (to taste) and Lemon (to taste) if desired. Serve and enjoy!