Limoncello Champagne Cocktails with Mint

Name: Limoncello Champagne Cocktails with Mint
Prep time: 15 minutes
Total time: 15 minutes
Yield: Makes 2 Servings
Ingredients: 1/4 cup fresh mint leaves; 1/4 cup limoncello*; 2 tablespoons sugar plus additional for dipping Champagne flutes; Lemon peel strips from 1 lemon; 4 teaspoons fresh lemon juice plus 1 lemon wedge; 1 cup (about) chilled Champagne or sparkling wine