Bring the water to a boil.
Add the spices and tea, remove from heat and let steep 15-20 minutes, depending on how strong you want it.
Strain and add the brown sugar, honey and vanilla. Stir to combine.
Mix 1 part concentrate with 1 part skim milk, heat and enjoy or pour over ice.
For a stronger flavor, mix 2 parts concentrate with 1 part milk or half-and-half.
Adapted from: The Tasty Kitchen