Spirit of Dublin Winter Spiced Tea

Scaled Ingredients (10 servings) Teeling small-batch Irish whiskey: 400 ml → 1.67 cups (about 1 ⅔ cups) Chamomile tea: 300 ml → 1.25 cups (1 ¼ cups) Apple & cinnamon simple syrup: 300 ml → 1.25 cups (1 ¼ cups) Lemon juice: 200 ml → 0.83 cups (about ¾ cup + 2 tsp) Vanilla liqueur: 100 ml → 0.42 cups (about ⅓ cup + 1 tbsp)