In a large pot bring all ingredients to a boil, except food coloring. Remove from heat and allow to steep for 10 minutes. Strain and add coloring. Freeze with a metal whisk in mixture. During freezing, whisk periodically to add iciness and a grainy texture to the granita
**These ingredients can be found in specialty food stores.
Recipe Courtesy of Mina Newman, Executuve Chef, Layla Restaurant