Make the simple syrup by combining equal parts sugar and water in a small saucepan over medium low heat
Let simmer until sugar dissolves, then remove from the heat
Add 3 sprigs of rosemary to the syrup
Place the lid on and let steep for at least 30 minutes
Remove the rosemary sprigs and let cool
Pour simple syrup into an airtight container and refrigerate (can be made several days ahead)
Rim your cocktail glass with a lemon wedge, granulated sugar and edible glitter if using
In a cocktail shaker, pour in vodka or gin, simple syrup and lemon juice
Add ice and shake well
Pour into prepared glass and top with sparkling wine
Garnish with a rosemary sprig and serve
