Tartan Swizzle

• 1 1/2 oz Lime juice
• 1 tsp superfine Sugar
• 2 oz Scotch
• 1 dash Bitters
• crushed Ice
• 3 oz Club soda

In a shaker half-filled with ice cubes, combine lime juice, sugar, Scotch, and bitters. Shake well. Almost fill a collins glass with crushed ice. Stir until glass is frosted. Strain mixture in shaker into the glass and add the club soda.