Gin-Cassis Fizz

1/2 oz. Creme de Cassis

2 1/2 oz. Gin

4 oz. Club Soda

1 1/2 oz. Lemon Juice

1 tsp. Sugar

Special instructions:
In a shaker half-filled with ice cubes, combine the gin, lemon juice, and sugar. Shake well. Strain into a collins glass almost filled with ice cubes. Add the club soda. Stir well. Drop the cassis into the center of the drink.