. makes 2. Shake and strain into a chilled champagne coupe. Add the rest of the ingredients into the shaker. (15mL) simple syrup 3/4 oz. Secondly, I’m celebrating my first Commando Series challenge completion too. These cookies will be stored in your browser only with your consent. I like to make my sour a bit sourer than normal – so half the amount of lemon to gin, and about a quarter the amount of sugar-fruit to gin (the normal is 3 parts lemon, to 4 parts sugar, to 8 parts gin).