Ingredients
4 whole star anise
4 cinnamon sticks, each 3 inches
12 whole cloves
24 cardamom pods
1 piece (6 inches) fresh ginger, peeled and thinly sliced
2 cups pure maple syrup
16 cups (1 gallon) apple cider
6 cups chilled seltzer
Preparation
Bring spices, ginger, syrup, and 1 cup water to a boil in a small saucepan. Reduce heat to medium-low, and simmer 8 to 10 minutes. Let stand at room temperature 1 hour. Strain, and discard solids.
Stir together spiced syrup and apple cider in a pitcher, and refrigerate until chilled, about 1 hour. Pour spiced cider into punch bowl; stir in seltzer.