Preparation Puree strawberries and sugar in processor. Add buttermilk and process until smooth. Pour into 8x8x2-inch glass dish. Place in freezer. Freeze mixture until firm, about 3 hours. Transfer mixture to processor and process until smooth. Spoon mixture into plastic container. Cover tightly and freeze until firm, about 3 hours (Ice can be prepared 2 days ahead. Keep frozen.) Let ice soften at room temperature about 5 minutes before serving. Per Serving: calories, 87; total fat, 1 g; saturated fat, 0 g; cholesterol, 1 mg Nutritional analysis provided by Bon Appétit