Recipe Tom Collins Cocktail July 25, 2016 All Things Nice Leave a comment Tom Collins Ingredients 2 Parts Gin ¾ Part Lemon Juice ¾ Part Simple Syrup Soda Water 1 Wheel Lemon How to mix Stir lemon juice, gin and simple syrup in a highball glass. Fill with ice cubes. Top up with soda water. Garnish with lemon.