Ring in the New Year (and send off the old one) with this sweet cocktail.
Mixer: In a large jar, bottle, or pitcher, stir 1/2 cup plus 2 tbsp. green Chartreuse, 1/2 cup plus 2 tbsp. maraschino liqueur, and 1/3 cup water. Cover and refrigerate until cold, about 2 hours or up to 1 week. Stir well before using.
Cocktail: In a Champagne flute, add 3 tbsp. of the mixer. Carefully top with chilled dry sparkling wine (such as Cava). Stir gently. Garnish with fresh thyme sprigs.