Edinburgh Rhubarb and Ginger Gin Liqueur If you prefer a gin and tonic on the sweeter side, you'll love the Edinburgh Rhubarb and Ginger Gin Liqueur (£2) canned cocktail. They started with a rhubarb and ginger gin liqueur and blended it with fine ginger ale for a fresh, sweet cocktail. Image Source: Sainsbury's Edinburgh Rhubarb and Ginger Gin Liqueur £2 from sainsburys.co.uk Buy Now