Make some refreshing elder flower champagne cocktails with this SheKnows how-to! Ingredients:br 3 oz. champagne or dry white winebr 2 oz. St. Germain Elderflower liqueurbr Club soda or soda waterbr Lemon twist for garnishbr Directions:br 1. Pour Liqueur and champagne over ice in chilled Collins glassbr 2. Top with club sodabr 3. Stir wellbr 4.