 Cointreau @-@ brand triple sec is used in some versions , and it may be prepared using a simple syrup that has been infused with lemon juice . Some versions are prepared using sour mix , a cocktail mixer . A garnish of a sliced lemon wheel , wedge , zest , rind or a lemon twist is sometimes used . Lemon is also sometimes included within the drink , such as a lemon wheel . Additional ingredients may also be used in the drink 's preparation , such as ginger syrup and lavender extract . 
