First, bring six cups of water to a boil. Then add the following ingredients and allow them to simmer for approximately seven minutes. 

• 4 tablespoons or two sachets of black tea 
• One pinch of star anise
• 1 cinnamon stick 
• 6 peppercorns
• 1 teaspoon fresh ginger
• 12 cardamom seeds
• 1 teaspoon orange zest