2large sprigsrosemaryor a handful of smaller pieces
1 1/4cupsfreshly squeezed grapefruit juiceabout 2 large grapefruits
1 1/4cupsfreshly squeezed lemon juiceabout 8 small lemons
Heat sugar with 1 cup water in a small saucepan on medium heat. Bring to a simmer and stir occasionally until sugar is dissolved. Add rosemary and simmer for 5 minutes. Turn off heat and let the rosemary steep for about 20 minutes as the syrup cools. Discard rosemary.
Combine rosemary syrup with remaining water, grapefruit juice, and lemon juice. Chill and serve!
Use rosemary syrup for other mixed drinks as well!