2 oz. Gin - (more)
1 tsp. Kirsch - (more)
1/2 oz. Cherry Heering - (more)
1/2 oz. Lime Juice (Fresh) - (more)
1/2 tsp. Superfine Sugar - (more)
Sparkling Water - (more)
Shake with ice and strain over ice cubes into a highball glass. Gently stir in the sparkling water and garnish with a maraschino cherry and a lime slice.