4 cups water
1 (2 inch) piece fresh turmeric root, peeled and grated
1/8 teaspoon ground black pepper
2 teaspoons honey, or to taste (optional)
1/2 teaspoon lemon juice, or to taste (optional)
Bring water to a boil in a pot. Stir in turmeric and pepper. Reduce heat to simmer. Simmer until flavors meld, about 10 minutes.
Strain into a heat-resistant glass container. Serve hot or cold, flavoring with honey and lemon juice.