Ingredients

2 cups herbal liqueur, preferably green Chartreuse, chilled

2 cups gin, chilled

1/2 cup plus 2 tablespoons fresh lime juice, strained and chilled

Simple Syrup for Chartreuse Punch, chilled

1 bottle (1 liter) seltzer, chilled

Ice cubes

Lime slices, for garnish

Preparation

Stir together Chartreuse, gin, lime juice, and simple syrup in a punch bowl. Pour in seltzer just before serving. Ladle into ice-filled glasses, and garnish each with a lime slice.