This Strawberry-Rhubarb Gin and Tonic is a perfect summer cocktail. Use the recipe for Strawberry Rhubarb simple syrup in other drinks, too!
In a medium sized saucepan, combine all simple syrup ingredients. Bring to a boil, then simmer (uncovered) for 20 minutes.
Strain the syrup into a jar. Don't squeeze the juices out of the fruit or you will get a cloudy syrup.
Let cool then store the syrup in the fridge. You can use the leftover strawberries and rhubarb on vegan yoghurt, or on top of ice cream!
In a highball glass, stir the simple syrup, gin, and lime.
Add a handful of ice, then top with tonic. Gently stir the cocktail, moving your spoon around the sides of the glass, until the glass is cold. Garnish with a slice of lime.