2partschampagne, prosecco, or other sparkling winechilled
1partSt. Germainchilled
white sanding sugarto rim the glasses
citrus wedgegrapefruit, orange, lemon, or lime
Instructions
To rim the glasses, place the sanding sugar on a small, flat plate. Rub the rims of the glasses with a citrus fruit wedge, then immediately dip the rim into the sugar.
For a small batch: Add the grapefruit juice and St. Germain into a cocktail shaker with some ice. Pour into the glasses, and then add the champagne.
For a large batch: Pour the grapefruit juice into a pitcher filled with ice. Add the St. Germain and stir. Immediately pour into the serving glasses and top with champagne.