Steep tea bag in 1/2 cup (125 mL) boiling water, 5 min. Remove bag, strain well and discard.
Heat milk in a microwaveable cup on HIGH for 1 min. Use a milk frother or whisk to whip milk until frothy.
Stir sugar into steeped tea. Pour frothy milk over tea and sprinkle with ground cinnamon.
This home-brewed version of your favourite coffee house treat lets you control the sweetness, swaps whole milk for skim and weighs in at only 50 calories per cup.