The Devil's Cup

• 1 cup of Cognac
• 1/2 cup Lemon Juice
• 2 oz. Green Chartreuse
• 2 oz. Yellow Chartreuse
• 2 oz. Benedictine
• 2 oz. Sugar syrup
• 2 750-ml. bottles of Champagne
• 1 l. Club soda

Mix ingredients in a chilled punch bowl, with a block of ice. Add champagne and club soda before serving. Serves about 25.