Brew 2 cups Earl Grey tea - for a hot latte, use immediately. For an iced latte, let cool.
If you have a milk frother - heat type and amount of desired milk in microwave for 30-45 seconds. Froth milk. For an iced latte, use cold milk If you do not have a frother - heat type and amount of desired milk in a saucepan over medium heat while continually whisking -about 5 minutes. Let milk scald, but not boil. OR, place in a jar with a lid - make sure the jar is only 1/3 full and shake until milk is frothy and doubled in volume OR put desired amount in a blender and blend on high for 30 seconds until the milk is frothy.
Divide tea into two large mugs. Divide frothed milk between the two mugs on top of the tea