Champagne Limoncello Cocktails: 8 (3 x 1/2-inch) lemon rind strips; 8 tablespoons Limoncello; 4 teaspoons fresh lemon juice;1 (750-milliliter) bottle brut Champagne, chilled. Roll up each strip of lemon rind; place 1 into each of 8 Champagne flutes. Add 1 tablespoon liqueur and 1/2 teaspoon juice to each glass. Divide Champagne evenly among glasses. Serve immediately.