Ingredients

1 gallon Concord grape juice 

8 cardamom pods 

4 cinnamon sticks 

1 teaspoon fresh grated nutmeg 

1 1/3 cups Simple Syrup

7 cups vodka (optional) 

Ice cubes 

Concord grapes, for garnish 

Preparation

Combine grape juice and spices in a large pot. Bring just to a simmer, then remove from heat and let stand, covered, 20 minutes. Strain through a fine sieve (discard solids), and chill. To serve, combine with simple syrup and vodka, if using. Serve over ice in a tall glass, and garnish with grapes.