Punches Recipes Firefly Recipe Ingredients 1 oz vodka4 oz grapefruit juice1 tsp grenadine syrup Fill a highball glass with cubed ice. Stir in vodka and grapefruit juice. Add the grenadine after stirring, and place it in the center of the drink. Spread the love Related posts: Puffer Recipe Blinder Recipe Fire Fly Recipe Cornwall-nash Recipe 6am Sunrise Recipe Crazy Janie Recipe