Add 150ml of freshly boiled water to 1 teaspoon of tea (per tea cup) , and steep for 2 min.
If desired, add milk to taste (brew tea for 2.5-3 min. if adding milk or for a stronger brew).
Add 1 heaped teaspoon of tea per 250ml (1 Cup, or regular sized mug) of cold, filtered water.*
Refrigerate 4+ hours (ideally overnight).