Put the water, ginger, tea, cinnamon, star anise, cardamom, nutmeg, bay leaf, and peppercorns in a saucepan. Bring to a boil, reduce to a simmer, and simmer for 20 minutes.
Remove tea bags, simmer for 20 more minutes. Add the vanilla and orange juice.
Strain into a jar, let cool and store in the fridge.
To serve, mix with 2 parts milk, and honey to taste.