Sloe Gin Fizz Cocktail

2 ice cubes

2 fluid ounces sloe gin

1 fluid ounce lemon juice

1 teaspoon simple syrup

1 cup ice

4 fluid ounces club soda

1 slice lemon

Place 2 ice cubes in a highball glass. Set aside in the freezer.

Combine sloe gin, lemon juice, and simple syrup in a cocktail shaker. Add ice; cover and shake until chilled. Strain into the prepared highball glass. Stir in club soda. Garnish with a slice of lemon.