1 cup simple syrup (equal parts sugar and water, boiled until sugar is dissolved)1 sprig rosemary
1 cup blood orange juice
1/4 cup water
Lemon juice, a few drops
In a small saucepan, heat the simple syrup with the rosemary to a simmer. Bring it back down to room temperature, then discard the rosemary. Mix in the blood orange juice, water and a few drops lemon juice. Follow the directions on an ice cream maker to freeze.