Granita, a sweet Italian ice, is characterized by its grainy texture. Lemon Zinger tea, which gets its distinctive flavor from hibiscus flowers, gives this one an exquisite garnet hue and refreshing taste.
Make Ahead Tip: Store in an airtight container in the freezer for up to 2 days. Let soften in the refrigerator for 1/2 hour before serving. | Equipment: Ice cream maker or food processor