The Weehawken (or the Ouihawken) Ingredients Tequila Prosecco Fresh Lime Juice Agave Syrup or Simple Syrup Grapefruit Juice Slice of Fresh Grapefruit Instructions Pour 2 shots of tequila and 2 shots of grapefruit juice into a shaker full of ice Squeeze half of a lime into the shaker Pour as much simple syrup or agave syrup that you would like into the shaker Shake for about 10-15 seconds Pour the cocktail into a large round/circular glass Top it with a generous amount of Prosecco and the slice of grapefruit