1 oz True Grenadine Syrup
1.5 oz gin (or any other clear liquor, if gin doesn't suit you)
Juice of 1/2 lemon
Fill a cocktail shaker halfway with ice cubes. Pour in all the ingredients and shake until chilled. Strain the mixture into a glass.
Coupe glass in the photo courtesy of our friends at The Hour, a vintage and contemporary cocktail-ware company based in Alexandria, VA.